In the TV show "Riverdale," Jughead Jones' younger sister is named Jellybean "JB" Jones. Jellybean is a character who appears later in the series, and her introduction adds a new layer to Jughead's family dynamics.
Jellybean is portrayed by actress Trinity Likins. She is a spirited and playful young girl, and her presence influences Jughead's life as he tries to balance his responsibilities as a big brother and navigate the challenges of his own adolescence.
Jellybean's arrival in Riverdale adds more depth to the Jones family storyline and explores the relationships between Jughead, his father FP Jones, and the rest of the characters in the show.