Brain Boy is Jimmy Neutron‘s superhero alter-ago in Jimmy Timmy Power Hour 3: The Jerkinators!.
History[]
Atfer Jimmy and Timmy defeat Eustace Strych, they go into Action Planet where the Nega-Chin he uses a newly found "Scepter of nega-negatude", teaming up with the other Crimson Chin villains and defeating the Crimson Chin. But with the might of Cleft and Jimmy as "Brain Boy", he was easily defeated.
Triva[]
- He is Jimmy’s second alter ago atfer Hulk Jimmy.