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Betty Quinlan

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Betty Quinlan is Jimmy's first love interest. Jimmy frequently tries to get her attention with his inventions and flirts with her, and Betty flirts back to Jimmy, seemingly charmed by him, much to Cindy's jealously. Betty attends Jimmy's school, but does not take any classes with him, and seems to be a few years older than him. 

Besides the very few episodes in which she is a main character because the plot revolves around Jimmy trying to impress her, she is only a background character in the show.


Betty's first appearance was in the episode Party at Neutron's, where she was one of the kids who attended Jimmy's party. She dances with Jimmy, and gives him a kiss on the cheek when she leaves his house.

Her second appearance was in Out Darn Spotlight, as the main protagonist. She was shown to be a talented actress, as she was given the role of Lady Macbeth in their school play "Macbeth in Space." Nick originally starred opposite Betty, playing Macbeth, but Jimmy was forced to take over the role after Nick was injured. In this episode, Betty was Jimmy's motive for wanting to be in the play in the first place, and she seems to know this, and offers him kind encouragement. Towards the end of the episode, Betty kisses Jimmy on the lips, because they had not gotten to do so on stage.

Betty's third appearance was in the episode One of Us, where she was hypnotized by Grandma Tater's The Happy Show Show, along with many other Retroville residents.

Betty's fourth appearance was in Vanishing Act, in which Jimmy attempts to perform a magic show in order to impress her. However, as a result of Cindy's jealous actions, the magic show goes awry, and they end up stuck in another dimension. Jimmy and Betty continue to flirt, which angers Cindy to the point of furiously attacking Betty over it and blames their situation on Betty (even though Cindy was totally responsible, which Jimmy calls her out on). Betty finally gets fed up with Cindy's nasty attitude and calmly pulls her aside explaining she knows everything and is not interested in Jimmy that way. She tells Cindy to stay out of her face, being sick and tired of Cindy berating her every chance she got and that Jimmy is all hers. This implies that while Betty is flattered by Jimmy's affections toward her, she knows he belongs with Cindy and is fully supportive of it.


  • Betty and Cindy's relationship is similar to the relationship between Betty and Veronica from the Archie franchise. However, Betty looks more like Veronica and Cindy looks more like Betty. 
  • During the cancelled season four, there would have been an episode where Cindy, Libby and Betty get trapped in Jimmy's lab and have to work together to get out. In this episode, Cindy would've finally come clean about her resentment towards Betty and the two would've become friends.
  • Betty is implied to be slightly older than Jimmy and his friends.
  • It is revealed in The League of Villains that Jimmy still likes her, since he was shown to still have many pictures of her in a drawer in his lab, which Cindy made him get rid of upon discovering them. 
  • Sometimes it is hinted that Cindy might be secretly fond of Betty.




Main Characters: Jimmy Neutron | Carl Wheezer | Goddard | Sheen Estevez | Cindy Vortex | Libby Folfax | Nick Dean | Goddard | Hugh Neutron | Judy Neutron
Recurring Characters: Ms. Fowl | Brittany Tenelli | Principal Willoughbouy | Bolbi Stroganovsky | Betty Quinlan | Butch Pakovski | Wendall | Amber | Ike Wolvermin | Tina Sue
Villains: King Goobot V | Professor Calamitous | Eustace Strych | Beautiful Gorgeous | Meldar Prime | Evil Jimmy | The Junkman | Zix, Travoltron and Tee | Baby Eddie | Gortox the Irritable | Dr. Sydney Moist
Planet Sheen Characters: Mr. Nesmith | Doppy Doppweiler | Aseefa | Dorkus | The Emperor | Princess Oom

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