Libby Folfax is a main character in The Adventures of Jimmy Neutron: Boy Genius. She is the best friend of Cindy, as well as the girlfriend of Sheen. She first appears in "Enter Jimmy Neutron: Agony and the Brains".
Early in the series, Libby dislikes Jimmy and his friends and often sides with Cindy, but as the series continued, both Libby and Cindy become more attached to Jimmy, Carl, and Sheen. Libby later became Sheen's girlfriend, much to his glee. In one episode, Libby mentions that her ancestor was the fictional Queen Hasabataslapya ("how's about I slap ya?") of Egypt, who died at a young age. During the episode, Libby was forced to masquerade as the queen in order to distract a group of revived mummies (as the ancient portrait of the queen strongly resembles Libby).
Libby is first seen in the episode "Enter Jimmy Neutron: Agony and the Brains", where Him/Her, along with Jimmy, Carl, Sheen, and Cindy. After meeting up with Caillou and co, they film funny videos together, and later team up to stop Professor Calamitous and Beautiful Gorgeous from flooding the world.
Libby has dark skin, brown eyes, and black hair. She is seen wearing 3 different outfits in the 2 different programs she appeared in.
Jimmy Neuton Season 1/Movie Edit
In the movie and the first season of Jimmy Neutron, Libby's hair was in a bun, and a streak of it was covering her right eye. She wore a turquoise dress with blue, green, and orange patterned rectangles on it, turquoise-green knee-high socks, and black Mary-Jane shoes.
Jimmy Neuton Seasons 2-3/Forever Sophomores Edit
In Seasons 2-3 of Jimmy Neutron and Forever Sophomores, Libby's hairstyle is switched from a bun to Egyptian dreads, and she wears a striped pink fading shirt, blue jeans, brown shoes, and a pink choker collar. In Forever Sophomores, the sleeves on her pink shirt are longer.
Enter Jimmy Neutron: Agony and the Brains Edit
When she debuted in the School Daze episode "Enter Jimmy Neutron: Agony and the Brains", She wore a blue denim jacket over a pink short-sleeved tunic, stockings that match the pattern of her Season 1 dress, and the black Mary-Janes from Season 1.