|“||Archie could've told Weatherbee the hood was mine. But he didn't. In the Book of Reg, that makes you a top tier loyal badass. And we were talking today, and decided if you want to keep the Red Circle going, we're here for you, dude.||”|
|— Reggie to Archie and Veronica[src]|
Reginald "Reggie" Mantle was initially a recurring character on The CW's Riverdale. He has since been promoted to series regular for the third season onward. He was portrayed by Ross Butler in the first season, though Charles Melton replaced Butler in the second season.
Reggie is a junior at Riverdale High School and captain of the varsity football team, the Riverdale Bulldogs. He was formerly a drug dealer that sold "Jingle Jangle" to other students, specifically Midge Klump, and Moose Mason.
He worked at La Bonne Nuit as a bartender, and he got romantically involved with Veronica Lodge, his employer and classmate. After, Veronica declines Reggie’s request of promoting him as the co-owner of La Bonne Nuit, Reggie quits not only his job but his relationship with Veronica too, as he feels he is just a rebound to her post-breakup with Archie. However, after Reggie helped Veronica set up her father to be incarcerated once again, the two resumed their romance.
Reggie presumably grew up in Riverdale, where he lives with his mother, Melinda, and his father, Marty, the owner of the Luxury Car Jamboree, a local car dealership who has recently expanded his business, adding a bigger dealership on the Eastern Seaboard. Reggie has spent much of his teenage years doing odd jobs at the car dealership, building his athletic physique, and joyriding with some of the cars for sale.  Reggie's closest friend appears to be Moose Mason; they are almost always together.
At Cheryl's End-of-Summer pool party at Thornhill, Reggie tosses the football around with Archie, enjoying the extra time Archie got before facing the trial. Archie tells Reggie that should he be convicted for murder, Reggie needs to step up and lead the Bulldogs. Reggie snarkily replies that he's already the captain, but that's not what Archie meant; he wants Reggie to help Jughead keeping peace between Bulldogs and Serpents, and to drop off anything related to vigilantes activities, whatever color associated to the Circle. Reggie agrees, stating that that bloody chapter is over and compliments Archie on his new Serpent tattoo on his arm.
Reggie and Veronica visit Archie at the Leopold and Loeb Juvenile Detention Center. They brought him a brand new pair of blue and gold sneakers as a gift. Veronica comments that they'll be perfect for his triumphant strut out of the center when the Innocence Project gets his conviction overturned. Reggie adds that he could've worn the shoes to the Pep-rally. When Archie asks him about what's going on at school, Reggie says Coach Clayton is working the Bulldogs harder than ever. Varsity squad is going to be tough to beat this year but they're missing their star running back, that being Archie.
A Businessman at the Lounge Bar
At Pop's, Reggie answers a phone call asking for a password before allowing Josie and Kevin into Veronica's speakeasy, which is located under the diner. Veronica explains to her friends that she hired some of the Serpents from the Whyte Wyrm to sell drinks, nonalcoholic cocktails only. Veronica then asks Josie to be her resident chanteuse. Josie accepts as she has been working nonstop to find her new sound as a solo act and is in need of a place to try it out. As for Kevin, Veronica asks him to be her emcee. He accepts only under the condition that he occasionally gets to sing. Reggie answers the phone to learn from Pop that Penny Peabody is upstairs.
A shirtless Reggie brings down a delivery into the speakeasy. When he and Veronica open the packages, they discover a large stash of Jingle Jangle inside. They then receive a call from Pop Tate that Sheriff Minetta is upstairs, leaving them to conclude that they've been set up. Reggie is tasked with disposing of the drugs while Veronica distracts Minetta upstairs. Sheriff Minetta explains that he's there for an inspection. By the time Veronica brings him down, Reggie has sufficiently disposed of the Jingle Jangle, much to Minetta's dismay. Given the failed set up, Minetta then reveals that he's collecting donations for Riverdale's under-funded sheriff department, which Veronica deduces as being nothing more than a classic shake down. Sheriff Minetta tells her that he'll be back to collect the donation after her opening event. As Minetta exits, Veronica shares with Reggie her suspicion that the drugs were sent by Penny Peabody. She and Reggie know these encounters are a result of her father trying to bait her into a confrontation.
On the opening night of La Bonne Nuit, Reggie greets Toni and Cheryl as they arrive at Pop's parking lot. He shows them downstairs, where they are met by Kevin and Veronica. Cheryl then takes to social media to post Veronica to her Instagram story.
During the evening, Reggie informs Veronica that her father is upstairs. Veronica and Reggie head topside, where they find Hiram in the diner with a portrait of Veronica that he thought would be more fitting at the speakeasy, which he is sure will be a roaring success. While he knows that Veronica doesn't want to hear it, he is in fact proud of her. Veronica is glad he came, if only to see how a legitimate business is run. So, she invites him downstairs and tells Reggie to keep an eye on him.
Standing next to Veronica, Reggie enjoys Josie singing "Anything Goes" on stage during a performance fitting the noir style of the speakeasy. 
Betty calls Josie, Kevin and Reggie into the Blue and Gold offices to inform them of the Midnight Club and their parents’ past involvement with Gryphons and Gargoyles. Josie is in disbelief and Kevin questions how his father and her mother were together even back then. Much like Josie, Reggie is also skeptical. He doesn’t believe that his father did live action role-play with as he put it "a group of lame ass nerds". Regardless of what they would like to believe, Betty needs them to subtly ask their parents about Gryphons and Gargoyles, as her suspicion is that whoever was running the game back then is also running it now. Josie, Reggie, and Kevin seem aggravated at the insinuation that one of their parents could be responsible for what happened to Ben and Dilton, but they agree nonetheless.
Josie, Kevin and Reggie meet again with Betty in the Blue and Gold to discuss their efforts to gain more information from their parents. Josie and Kevin came up with nothing as their parents denied any involvement, but announced their engagement. As bad as that was, Reggie’s dad’s reaction to Reggie’s questioning in regards to G&G was much worse, as Reggie was left with a black eye. Reggie wonders why their parents are acting so secretive about something that happened 25 years ago and what Betty is keeping from them. Before Betty can answer, Veronica enters. She tells them how Archie is caught up in some diabolical teen fight club and that she intends to break him out of juvie with all of their help.
Veronica, Betty, Kevin, Josie, and Reggie meet at La Bonne Nuit to discuss Archie's rescue plan. The slightest deviation and Archie could end up dead. They will need a distraction if they’re going to disorient the guards and save Archie. Something they can sneak into the location easily, that won’t arouse suspicion, something they’ll have to make themselves, so Josie, Kevin, and Reggie sneak into the chemistry class to make smoke grenades, masqueraded as beverages. Betty will take care of the getaway route.
Veronica and Reggie, while incognito, pull up to the fight. Their entry is blocked by security, who asks for the password. When they give the wrong password, Veronica is forced to improvise. She claims her name is "Monica Norton", suggesting a relation to Warden Norton. She and Reggie, who she states to be her fiancé, want to see blood. Whether that be of from the fighters or the guard matters little to her. So she threatens to call Warden Norton should her entry into the building be denied. The guard folds, allowing them both in.
Josie, disguised as a waitress, brings Reggie and Veronica over a dozen or so "beverages". She overheard the guards betting heavily against Archie. They say he’s going down. Reggie remarks that Archie’s opponent is huge and that Archie doesn’t seem to have much time left. So, Veronica orders the others to get in position and wait for her signal.
While getting into position, Hiram grabs Veronica by the arm, demanding answers and ordering Veronica to stop whatever she's planning, but Veronica disobeys, stomping on his foot and then signaling Josie and Reggie. The three of them proceed to throw the smoke grenades into the ring that quickly fills with smoke. When it does, Archie makes his escape.
Meanwhile, Josie and Reggie wait on the side of the road for Veronica to meet them with Archie. Before long, Veronica comes from out the woods with Archie, who can barely stand. They duck down behind the car at the sound of passing police cars, and once the coast is clear, they put Archie in the back of the car and drive off.
After they arrive at Dilton's bunker to regroup with the others, Toni patches Archie up and tells him not to make any sudden movements. Archie reveals that it was Joaquin who stabbed him though Archie thinks the Warden made him do it. He then asks where are they, to which Betty explains Dilton’s bunker. The only people who know about it are in the room and it is the safest place in Riverdale. Veronica then notices the branding on Archie’s side, courtesy of Warden Norton. Jughead, Betty, Sweet Pea, Fangs, Toni and Cheryl seem particularly intrigued by the brand. Veronica then calls for everyone’s attention. Since her father saw her, she has to do some damage control on the home front. But, someone needs to stay with Archie at all times. Betty and Jughead volunteer to take the first shift. Equally important, Veronica announces that everyone in the room is part of a pact. From this moment on, no one is to know where the bunker is. No one was involved with the breakout and no one knows where Archie is. They are all expected to take this to the grave.
In a booth at Pop’s, Kevin tells Reggie and Josie how he searched the woods for Joaquin but couldn’t find him as he had to eventually double-back to act as the decoy. They quickly stop the discussion as Pop Tate approaches with their orders. Once he leaves, they resume talking. Joaquin is out there, is Kevin’s last words on the matter. Reggie, however, can’t believe they pulled off the escape. He then looks to Josie and Kevin, asking if they’re going to play Gryphons and Gargoyles to find out what their parents and Betty won’t tell them. Over the radio, an important news bulletin is made, announcing Archie’s escape. 
At Riverdale High School, Sheriff Minetta and Mayor Lodge heads to a classroom to question Veronica, Betty, Jughead, Cheryl, Josie, Kevin, Reggie, Sweet Pea, Fangs and Evelyn. They suspect that Archie had help escape Leopold and Loeb Juvenile Detention Center, and the kids are the main suspects. In the classroom Sheriff Minetta informs them that hiding a convict and information from the law is a felony offense. So, whoever aided and abetted Archie is just as much a criminal as he is. Reggie claims that he was busy all day, welcoming the sheriff to check his browser history. When the sheriff turns his attention to Evelyn, she explains that she never even met Archie, plus on Mondays, she attends meetings for the Farm. When the sheriff asks where Josie was during the time of the breakout, she struggles to come up with an alibi, eventually settling with her being alone in the music room. Sheriff Minetta will be looking into all their alibis. As he continues to antagonize Josie, she suddenly has a seizure. Cheryl rushes to her aid, catching Josie and telling the sheriff to back off while Reggie is scared by Josie's seizure. 
Reggie is working behind the bar at La Bonne Nuit when Veronica enters the room. He asks if she’s still upset about Archie leaving town, which she is, but it’s not the only reason she’s upset. La Bonne Nuit is just barely scraping by. Reggie counters that business is steady. However, one thing Veronica learned from her father is that steady is one bad week away from broke. They’re never going to turn a profit selling five-dollar mocktails to high schoolers who sit around all day playing G&G. Reggie thinks that they need to start a side hustle. This gives Veronica an idea. After contacting Elio Grande, Veronica decides to hosts a casino night.
Later that day, they host the event as planned. Thanks to Elio, they’re going to pull in bank. However, Reggie counters that he might break it instead. He claims that Elio is going to wipe them out as he hasn’t lost a single hand all night. That means that he’s cheating, which comes as no surprise to Veronica as Elio is a criminal from a family of criminals. Reggie suggests roughing him up and throwing him out but Veronica has a better idea.
She approaches Elio and warns him to cash out and walk away while he still can. Elio refuses. He heard of Veronica’s estranged relationship with her father and now believes that he has nothing to worry about. Veronica takes a seat next to Elio, asking to be dealt in. She wants to raise the stakes of the game. One hand of blackjack, winner takes all. Veronica is gambling the deed to Pop’s and by extension La Bonne Nuit while Elio is gambling with all his winnings from the night. When the game seems to tilt in Elio’s favor, he remarks that Veronica will always be welcome at his speakeasy, adding that he might even rename it to "Veronica’s". Miraculously, against all odds, Veronica wins the game of blackjack, retaining her ownership of Pop’s as well as taking all of Elio’s winnings.
As the night comes to an end, Reggie notes that Veronica made some serious money tonight. He admits that he was worried that Veronica could’ve lost it all, but she didn’t. He swears that he thought Elio was cheating, but apparently he wasn’t considering that he lost to Veronica. She then reveals to Reggie that she had a meeting with her father earlier and learned that Elio is a compulsive gambler, like his own father, and that the best way to beat players like him is fast with no remorse. Reggie is amazed, stating that Veronica scammed the scammer. 
Reggie and Veronica are at Pop's discussung about the fact that her parents are up to something and even tried to ship her off to New York. It’s almost as if they don’t want her around for what’s coming next. Kevin, Moose and the rest of the RROTC come barging into the diner giggling hysterically. Veronica initially suspects they’re on Jingle Jangle, but Reggie informs her that it’s not that. Her father’s pulled that off the market and replaced it with some new candy, Fizzle Rocks, dealt not by the Ghoulies, but a new gang, the Gargoyles. Veronica is certain that it all ties into G&G. So, she requests that Reggie do sum sussing for her to find out what he can about Fizzle Rocks. Last year, Veronica helped her parents spin their criminal web and good people got hurt. This year, Veronica feels responsible for taking them down
After Principal Weatherbee informs the students of upcoming changes at school, Veronica finds haven in La Bonne Nuit with Reggie. She questions how drugs, gargoyles, mystery men in hazmat suits and secret school board meetings tie in together. While Reggie has not the slightest clue, he did do as asked, providing Veronica with suss. The Fizzle Rocks distributors, otherwise known as the Gargoyles, are giving their product up for free. Veronica’s familiar with this scheme. Hook them with the first taste and they're customers for life. Furthermore, Fizzle Rocks are coming from the Southside prison that Veronica’s dad is building. She concludes that this must be where he moved shop after she, Cheryl and Toni busted his lab at the Whyte Wyrm. Veronica then calls Cheryl to ask for the time and place of the school board meeting. 
Veggie: A New Power Couple?
At La Bonne Nuit, Reggie and Veronica talk business with Reggie informing her that all is well. Even her mocktails are selling out. They welcome Cheryl and Toni before pointing them in the direction of their table from where they can see Josie performing on stage.
While returning to Riverdale from his beer run across the border, Reggie is ambushed by the Gargoyle gang. Initially, his tire blows out, when he steps out to take a look, he is attacked by several masked individuals. Afterward, Reggie returns to La Bonne Nuit.
Veronica is very apologetic for her father’s actions, and admittedly, she should’ve seen this coming. What Reggie doesn’t get is how they knew he’d be there. He never takes the same road twice. Hiram made it very clear that if Veronica wishes to run La Bonne Nuit in a post-quarantine Riverdale then she has to give him 10% of her earnings, which Reggie is very much against. However, Veronica has come up with a plan to minimize that price. Pop Tate hands her a cooked book for the speakeasy, which’ll hopefully deceive Hiram into thinking that he’s getting 10% when in actuality he’s only getting 5%. Reggie is impressed, calling Veronica a bad ass.
Reggie and Veronica meets with Jughead to plan their upcoming move against the Gargoyle gang, but first they have to share the little information they have on them.
A few days later, on his way back to town from another beer run, Reggie comes across another set of road spikes just as before, except this time he sees them and stops. Reggie exits the truck and is immediately surrounded. As they head towards the back of the truck to trash the cargo, the Serpents attack, jumping out he back of the truck with weapons in hand. One Gargoyle is knocked to the ground as the others flee. Sweet Pea and FP hold him up as Jughead uses him to send a message to Hiram. He informs the Gargoyle that Veronica is now under the protection of the Serpents and that Riverdale has not fallen. The Serpents then proceed to let the Gargoyle go to deliver the message.
Reggie enters La Bonne Nuit to find Veronica singing on stage in a long purple gown. Afterward, once the place has cleared out, they share a kiss. 
Reggie approaches Veronica at her locker and tries to kiss her, but she pulls away. He asks if something is wrong as she didn't text him back the night before. Veronica informs him that Archie is back. While Veronica and Reggie may have kissed, she can't tell him that it happened, her being his ex-girlfriend and Reggie being a close friend. Reggie understands and falls back. He wonders how Archie's doing, to which Veronica explains that he's unsettled and stressed. While she can’t do anything about the former, the latter, she can help with.
At La Bonne Nuit, the kids organized a welcome home party for Archie. In attendance is Veronica, Jughead, Reggie, Kevin, and many others. Archie, Betty, and Jughead take a seat as Veronica sings on stage for Archie. Not far away, Reggie sits visibly annoyed, though this goes unnoticed by all. As Veronica continues to sing, Archie seems to become overwhelmed by all his grief and suffering, taking off right in the middle of Veronica's performance.
Reggie and Veronica discuss Archie's recent strange behavior, though Veronica does come to his defense, claiming that it all may be a bit too overwhelming for him, being back in Riverdale and all. However, the Archie they both saw last night is a different person. As for what this may mean for Archie and Veronica's relationship, Veronica's too afraid to say out loud.
Reggie enters the locker room and picks a fight with Archie, referring to how he "stormed out of the speakeasy like a little bitch." A statement that doesn't sit well with Archie. It is then that Reggie notices the scars on his body. Archie reveals to Reggie that he was attacked by a bear. Reggie reasons this is the reason Archie has been acting so strange since his return.
In the student lounge, Reggie is approached by Archie that wants to talk to Reggie about cheating, which Reggie takes to mean that Veronica revealed to Archie how they kissed. However, in actuality, Archie only came to Reggie to see if he knew of a way to cheat on the SATs. Realizing that he's exposed himself and Veronica, Reggie apologizes, reasoning that he and Veronica didn't think Archie was ever coming back, though Archie doesn't stick around to hear him out.
After learning that Hiram Lodge has been shot, Reggie tries to reconcile with Veronica. At the hospital, Veronica is watching over her father, who lays in his bed unconscious when Reggie enters the room to offer moral support, and so they hug.
Reggie and Smithers meet with Veronica after she fired their last two capos.They need to show strength during a time of weakness. Smithers recalls a moment back in the trenches, where their numbers were greatly diminished and their enemy could storm the barricade at any moment. And so Smithers collected the helmets from their dead and propped them atop of their bayonets, high enough to create the illusion that their numbers were greater than they actually were, causing their enemies to pause. From that, Veronica comes up with an idea that'll require Smithers' bus driver cap.
As Josie sings on stage at La Bonne Nuit, Archie drinks his pain away at the bar, with Reggie serving him. Reggie then declines to serve Archie any further as he requests another drink. He does however offer to call Archie cab, explaining that Veronica's dealing with enough as it is, she doesn't need Archie making a scene. As Archie begins to become unruly, he is roughed up by security, though Josie comes to his rescue, seeing Archie out and taking him home.
Afterwards, Veronica arrives at the docks. With Smithers as the driver and Reggie in the back with his face hidden and only the hat on his head visible as he impersonates Hiram, Veronica begins collecting from all the businesses her father has a hand in. And her ruse works like a charm.
Veronica goes to Reggie with her suspicion that her mother may have hired someone to shoot her father so that she could make a profit from the sale of his drug operation. So, Veronica devises a plan to break into the prison, burn the drugs and destroy the equipment before her mother can sell it. Veronica then gets a call from Archie, and she leaves Reggie to meet him.
Reggie meets back up with Veronica and together, they burn all the Fizzle Rocks. As for what she'll tell her parents when they ask, Veronica says that she'll tell them the truth. Or maybe she won't.
Hermione calls Reggie and Veronica down to Town Hall since the two of them decided to take it upon themselves to burn all the Fizzle Rocks that she had already sold. Since this is their fault, Hermione has decided to make them responsible for paying back the money that's owed. Hermione suggests that they start with the speakeasy's coffers. However, as Veronica explains, they don't make nearly enough to pay it off, though this is no longer Hermione's problem. She recommends Veronica come up with the money fast as the buyer has a reputation for being dangerously unhinged. Veronica asks who the buyer is, but Hermione refuses to tell her, only explaining that they're sending an intermediary. As for how much money they owe, Hermione hands Reggie and Veronica a piece of paper with the exact amount on it and it is indeed a heavy sum.
Time is running and Veronica and Reggie have yet to come up with a way to pay back the mysterious buyer, whose Fizzle Rocks they burned. Veronica's combined her liquid funds from Pop's and La Bonne Nuit. Even with that, they're not even close. Reggie suggests robbing a bank, which Veronica is opposed to as they tend to have round-the-clock guards with guns. Instead of robbing a bank, Reggie comes up with a robbery on a smaller scale. He wants to rob his father's dealership, where he keeps a safe. Veronica is initially against this, as she does want Reggie stealing from his own family. Reggie explains that everything is insured, so his dad will receive a nice pay out, which is more than he deserves for all the black eyes he's given Reggie over the years. His father's security is only on duty at night, after closing, so they can hit the lot during the day, while his dad is usually at Pop's with a customer, trying to close a sale. Veronica recommends that he wear a Gargoyle mask, so as not to get recognized. Veronica even offers to join Reggie as the getaway driver. They then share a kiss.
Veronica sits in the getaway car reading a book as gunshots ring throughout the neighborhood. In her rear view mirror, she sees Reggie, disguised in a Gargoyle mask, running towards the car with a bag of money. He'd been shot in the arm, though he's alright, and so the two of them make their getaway.
Veronica and Reggie return to La Bonne Nuit, where Veronica patches up Reggie's wound, where he was grazed by a bullet. Reggie then opens the bag to see how much money they got away with only for the dye pack to explode, covering both Reggie and the money in blue dye.
Veronica and Reggie wait at the meeting point for the mysterious buyer's intermediary. It turns out to be Gladys Jones, Jughead's mom, though neither Veronica nor Reggie are aware at the moment. Gladys exits her vehicle and approaches Veronica and Reggie. They throw the bag of money at her feet. Inside is only some of her money, all of which is covered in blue dye. Gladys correctly identifies Veronica as Hermione's daughter. Gladys then introduces herself to them as Jughead's mother. Both Veronica and Reggie are shocked, though they take this opportunity to ask for more time to recover the rest of the money. Gladys admires the fact that the two of them came out there knowing they were short. It shows responsibility. Not to mention that they sort of remind Gladys of herself and FP back in the day. Gladys makes them a deal. Since she’ll be sticking around Riverdale for a while, she’ll take their dyed money, but she's going to have to charge a fee because she's going to have to get it laundered. And then they'll figure out a payment plan for the rest of the money they owe. But in exchange, Gladys wants Reggie's car. Lastly, she asks that they don't tell Jughead about their business dealings. If they do, then she's going to have to tell Hiram about Hermione going behind his back for a cut.
At the Pembrooke, as Veronica and Reggie are about to have sex, their phones ring. It's Veronica's mother and Reggie's father. Reggie worries that maybe his dad knows that it was him who robbed the dealership.
Veronica and Reggie call Hermione down to La Bonne Nuit with an update. But first, they would have liked for her to have informed them that the buyer was Jughead's mom. Hermione is surprised that Gladys showed up herself as she was supposed to send an intermediary. Furthermore, Gladys has no intentions on returning to Toledo and plans on making Riverdale her home once more.
La Bonne Nuit: A Sinking Ship
At La Bonne Nuit, Reggie and Veronica watch helplessly from the bar as Gladys Jones and her companions cause commotion. Reggie asks if Veronica would like for him to bounce someone out, but with their current standing with Gladys, that would be impossible. Hiram then approaches Veronica as he too is at the speakeasy. He's courting several important perspective clients. Veronica wonders where she should charge for the expense of the drinks, however, Hiram has no intentions on paying as he believes the drinks should be comped because of the money Veronica currently owes. Gladys and her Serpent pals then proceed to make a mess of things after knocking over a table. As the night comes to an end, and Veronica and Reggie are all that's left in La Bonne Nuit, Veronica wonders just where everything went bad. Gladys and her father are running all over the speakeasy and Veronica doesn't have any leverage because she owes them both money. So, every dollar she makes goes straight to them. Reggie states that they need a new line on a cash cow, which reminds her of Casino night with Elio. They'd be able to pay off their debts in weeks, but Reggie is rather hesitant, however, he comes to agree.
Veronica and Reggie welcome Josie along with more than half a dozen employees to the casino of La Bonne Nuit. They've got poker on the floor, blackjack at the bar, nickel and quarter slots along the wall, and a horse race-themed wheel of chance in the corner. Reggie already called dibs on spinning it. It goes without saying that discretion is of the upmost importance. But Josie is forced to ask the obvious question. What to do if they're raided? Veronica and Reggie have made upgrades to the place to account for such a threat. They have a number of compartments and close-in doors to hide all the Casino paraphernalia. At which point Veronica will bat her eyelids and say "What secret casino, Officer?"
Next day, at La bonne Nuit, Gladys reveals to Veronica and Reggie that when she was their age, she used to perform at the Whyte Wyrm. Veronica concludes that Gladys is looking to make a comeback, and should she agree to allow Gladys to perform on stage, she has to shave 5% off of the debt Veronica owes, to which Gladys agrees.
Veronica welcomes Gladys to the stage, making her debut at La Bonne Nuit. As Gladys performs, she is taunted by Hiram's business associate. Reggie wants to kick him out, but Veronica won't permit it given her agreement with her father. Hiram suggests that his associate give Gladys some tips, to which she responds by pulling out a knife and telling them that she has a sharp tip of her own to give to them. As things are getting a bit too heated, Veronica finally allows Reggie to bounce Larry, who is in disbelief that he’s being kicked out. As Reggie escorts him out, Hiram warns Veronica that there will be trouble if she just cost him a million dollar deal.
Veronica comes down the stairs of La Bonne Nuit to find Gladys serving herself at the bar. She claims that Reggie waters down her drinks. Hiram then enters the speakeasy with another one of his associates, though he tells him that he owns the speakeasy, which only further aggravates Veronica. She is near her breaking-point, telling Reggie that this must come to an end. He is in agreement, so much so that he even misses the Serpents as they could use the muscle. Veronica asks how their take has been since the casino upgrade. He replies that their profit has almost doubled. With that, Veronica devises a plan that’ll require for her to siphon some of that off.
Cheryl arrives at La Bonne Nuit. She is greeted at the door by Reggie. Cheryl claims to have baked goods for Toni. A gesture of goodwill after a disagreement they had earlier. Cheryl heads down, where she finds Toni and the Pretty Poisons singing on stage with Veronica.
After closing at the speakeasy, Reggie asks Veronica to talk business. He's invested a lot of time there. Being a bartender, a bouncer, a delivery man, and Pit boss, amongst other things. He's also made sacrifices, like giving his car to Gladys. So, Reggie would like to become business partners with Veronica. While he has been helpful and dedicated, Veronica still owes a hefty debt to Gladys and her father. It wouldn't be wise for her to begin another partnership. Reggie however doesn't accept that. He knows his worth and wants Veronica to know it too. Veronica knows his worth, but to quote her abuelita, "no one walks on water in my place, except me."
After thinking over their previous conversation of making Reggie a business partner, Veronica hands him an envelope of money. She gives him what she believes to be a good and fair starting salary. Reggie feels insulted, as if he's nothing more than a helping hand to Veronica. He accuses her of just trying to clear her own conscious. Before the situation escalates, Veronica suggests that Reggie take the rest of the night off to clear his head and recalibrate his attitude. He agrees, sitting the money back down on the bar before leaving.
Gladys brings Reggie back to La Bonne Nuit after catching him trying to steal his car back before Gladys and Veronica settled their account. Veronica hopes to make it up. She offers to cover the expenses for FP's birthday at the speakeasy. Gladys agrees and tells Veronica to keep Reggie under control. Veronica questions how he could've done something so reckless when they're so close to paying off their debt to Gladys and her father. Reggie apologizes. But, he's still upset about his disagreement with Veronica. He gave her everything. He at least wanted to get his car back.
After a night off, Veronica and Reggie meet back up at La Bonne Nuit. Veronica asks if he is self-destructing because she won't make him her business partner. Reggie admits this is part of the reason. He also has an issue with how he's being treated by Veronica. He wants to be more than just her errand boy, Pit boss, and casual hook up. Veronica assures Reggie that he matters, but lest they forget that she just went through a wrenching breakup with Archie just a few months ago. Reggie questions if they would even be dating if not for the speakeasy, which Veronica admits that they probably wouldn't be, but she's glad they are. Reggie feels as if Veronica owes him for all he's given up for her, but he's not given an ounce in return. Having heard enough, Veronica returns Reggie's car keys to him after buying it back from Gladys. Now they don't owe each other anything. With his keys in hand, Reggie leaves the speakeasy. 
Reggie is a tall, attractive, and athletically built young man, his appearance is likely due to his position on the school's football team. He has straight black hair, dark brown eyes, and olive skin. His clothing choices are typically very casual, only a T-shirt and jeans.
Reggie embodies all the usual characteristics associated with the stereotypical jock. He isn't much of an intellectual and his biggest concerns seems to be football and sex, not just for himself, but his teammates as well. Like most jocks, he's socially and physically fit; the typical "cool" teenager. However, it's shown that Reggie had enough consciousnesses to ask Archie to not keep hurting his injured arm. He also comforted Archie after his dad was shot. However, his compassion is short-lived; ironically, and a cruel sense of humor, he pranked Archie by wearing a homemade black hood, while coming to Archie's home. Reggie also has a strong hatred of the Southside Serpents, if not Southsiders in general, even going as far to frame them when they were transferred to Riverdale High.
- Main article: Archie and Reggie
|“||Archie could've told Weatherbee the hood was mine. But he didn't. In the Book of Reg, that makes you a top-tier loyal badass. And we were talking today and decided if you want to keep the Red Circle going, we're here for you, dude.||”|
|— Reggie to Archie and Veronica[src]|
The relationship between Reggie and Archie is ambivalent, and they can be described as frenemies. Being both very competitive, Reggie and Archie are often on opposite sides, especially in sports or as leaders of the Riverdale Bulldogs. Their strong personalities often clash when it comes to giving voice to their opinions. However, Reggie holds Archie's friendship in high regard, even when he would not be willing to admit it. Their bond is also solidified by their strong sense of justice and loyalty. For this reason, Reggie decided to join Archie's Red Circle group after acknowledging Archie's sense of friendship.
Reggie and Moose can easily be considered best friends. They are both very fond of sport and Riverdale Bulldogs' teammates. In addition, Reggie and Moose seem to share a passion for jokes and pranks, although sometimes they go too far and end up bullying other classmates like Jughead Jones or Dilton Doiley to the point of exasperating them. Reggie and Moose' friendship, however, can be deeper, as when Moose ended up in the hospital after being assaulted by the Black Hood and Reggie cheered Moose up when he returned to school after visiting him several times in the hospital.
|“||Isn't it always some spooky, scrawny, pathetic Internet troll, too busy writing his manifestos to get laid? Some smug, moody, serial-killer-fanboy freak. Like Jughead.||”|
|— Reggie about Jughead[src]|
The relationship between Reggie Mantle and Jughead Jones can easily be defined as a rivalry, as they have both shown a great amount of disdain for one another. This rivalry likely stems from Reggie's typical jock nature, to pick on outsiders and misfits, such as Jughead, who was subject to a lot of Reggie's bullying. Jughead and Reggie had been adversaries long before the start of the series as their dislike of one another seems well ingrained.
- Reggie: "I get you're pretty much Beyoncé, but today, you're just like us commoners."
- Josie: "I think your biceps can handle it, Mantle."
- Reggie: "You trying to get me to flex?"
- ―Reggie flirting with Josie[src]
Reggie and Josie's relationship is halfway between flirting and squabbling. Their similarly strong and contrasting personalities often lead them to tease each other almost every time they are together in the same room. Despite that, or maybe because of that, they have been making out at Nick St. Clair's party after getting high on Jingle Jangle. Moreover, Reggie and Josie joined force running for becoming student body president against other two teams formed by Archie and Veronica, and Betty and Jughead. Nevertheless, the true potential of a full-fledged relationship between the two remains to be seen.
|“||Veronica! I heard you got a face full of dairy. I've got some nuts to top off that shake if you want. [...] One question I gotta ask, as future Student Body President. What are the odds your dad's the first inmate in that prison he's building?||”|
|— Reggie harassing Veronica[src]|
The relationship between Reggie and Veronica is often poles apart. Reggie is usually making jokes about her, especially when he knows that his provocations could trigger reactions in Veronica that could ridicule her in front of others. On the other hand, Veronica has often referred to Reggie as a misogynist and scarcely tolerates his stereotypical jock personality, that she also referred to as toxic masculinity. Noteworthy is the incident when Reggie, after harassing her a bit, asked Veronica what were the odds that her father is the first inmate in the prison he was building, and Veronica grew so angry that she punched Reggie in the face and dropped him. Despite this incident, they have since become friends, such that Veronica has hired Reggie to work as a bartender at La Bonne Nuit, her non-alcoholic speakeasy. Given Archie's departure, their relationship has changed to romantic, culminating in the two kissing.
- Neither Reggie nor Moose Mason were cut from the football team, the way the Chuck Clayton and a number of other players were, when the scandal of Chuck's "playbook" broke, despite their names being clearly visible in the book.
- Reggie drives a 1970 Chevrolet Chevelle SS454, which license plate is: 4DC 891 as shown in "Chapter Sixteen: The Watcher in the Woods".
- As in the Archie Comics, Reggie has an ongoing rivalry with Archie Andrews.
- In the 2015 "Reggie and Me" comic series, it is explained that this rivalry is mostly due to Betty's intrusion into Reggie and Archie's friendship when they were kids.
- In the same series, Reggie has a bad-to-non-existent relationship with his parents who are too busy in their socialite life and they often leave him alone at home. In this iteration, his father is the publisher of the local newspaper, while his mother is a philanthropist.
- In 2015 "Reggie and Me", Reggie has a crush on Midge Klump and for this reason, he has an ongoing rivalry with Moose Mason, Midge's boyfriend.
- In the 2017 Riverdale comic series, Reggie is in a secret relationship with Josie McCoy, starting in Riverdale #5 and featured again in Riverdale #10.
- Ross Butler left the show due to time complications with his role as Zach Dempsey in "13 Reasons Why".
- See also: Category:Images of Reggie Mantle
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