BrainBaby

Brain Baby is in fact Maggie, who transformed into BrainBaby after she was affected by a nuclear explosion, turning her into a supersmart superhero.
==Powers and Abilities==
Although she now possesses incredible intelligence, she still does not talk, instead communicating telepathically.
==Appearance==
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Category:Comic Book Only Characters
Category:Children
Category:Babies
Category:Superheroes
Category:Characters known by nickname
Category:One-Time Characters
Category:Non-canon characters
Category:Characters
Category:Female characters
Category:Characters Portrayed by Maggie
Category:Toddlers
Category:Alter-Egos
Category:Alive characters
Category:Simpson family
Category:Siblings
Category:Bart Simpson's Friends
Category:Sisters