|“||Drop the butter knife, bitch!||”|
Jellybean is the younger sister of Jughead Jones and the daughter of Gladys and FP Jones. She is also a member of the Toledo Serpents, as well as a junior mechanic, as she was shown working under a car in her mothers compound of old car parts. After returning to Riverdale and reuniting with her father and brother, Jellybean and Jughead began to grow close, so much so that when she feared of losing him after he was accepted into Stonewall Prep, Jellybean became the Voyeur, and later the Auteur, in hopes that this latest investigation would keep him from leaving town. Jellybean's alarming behavior led FP to take her back to Toledo to be with her mother.
Is wise beyond her years, and her favorite bands are Pink Floyd and Black Sabbath. Jellybean lives with her biker mom in Toledo where they run scams to make ends meet. And like mother like daughter: Jellybean — who goes by JB now — is quite the little con artist herself.
When Jellybean was younger, she and her family would spend a lot of time at the Twilight Drive-In, however, they often could not afford tickets for everyone, so the kids would hide in the trunk until they parked.
After Fred Andrews fired her father and he began drinking heavily, Jellybean and her mother went to live with Jellybean's grandparents in Toledo where she started to go by J.B. instead.
As a child, she was slim and short with medium-length black hair and brown eyes. Now, as a preteen, her hair is light brown, but her build is still slim and short as she hasn't reached her adult height.
She is an assertive individual and has a no-nonsense attitude due to her tough upbringing. Unlike her brother, Jughead, she is not as close to her father and resents him for being distant after the separation of her parents. It is known that she likes Pink Floyd and movie theaters, much like her older brother. She also appears to be a very obedient child as shown when she informed her mother she did exactly as she told her to do with her father, stating that she had succeeded in having FP wrapped around her fingers.
|“||By the way, Jellybean wants to go with JB now. She thinks it sounds cooler.She's 10 years old and listens to Pink Floyd on vinyl, I don't think she could get any cooler.||”|
— Jughead about Jellybean[src]
Jellybean's relationship with her brother, Jughead remains vague given that she and Jughead were separated by their mother's move to Toledo to stay with their grandparents. She went with their mother while Jughead stayed behind with their father. Jellybean seems to be very close to her brother, even mocking his arrival to her mother's garage albeit demanding another Serpent to let him through the gates with Archie. Jughead also thinks very highly of his sister and mentions her several times, such as when he told Sierra McCoy about their family's trips to the Twilight Drive-In.
When Jughead reunites with Jellybean, she also meets Archie. They appear to be friendly towards each other. Later that night, when Archie mentions that he used to date Hiram's daughter, Jellybean takes this to mean that Archie is now single, exposing the obvious fact that she has a crush on Archie. Later, when Archie is attacked by Penny Peabody, Jellybean saves him by shooting Penny in the head with her slingshot.
- "Chapter Seventy-Seven: Climax"
- "Chapter Seventy-Eight: The Preppy Murders"
- "Chapter Seventy-Nine: Graduation"
- She listens to Pink Floyd on vinyl.
- She prefers to be called "JB", a possible reference to JB Moranville, a Riverdale producer who unfortunately passed away in October 2016.
- In the Archie Comics, her real name is Forsythia Jones, a mirror to Jughead's real name Forsythe.