Mr. Smartypants
Mr. Smartypants on Matching Wits.
Species Human
Gender Male
Citizenship Burbank, California
Confidants Father Time & Big Fat Baby
Miss Information (fiancée)
Rivals Lydia Karaoke
First appearance "Inventors Hall of Fame - Part 1"
Voiced by Rob Paulsen

Mr. Smartypants is a character featured on Histeria! He is described as being the smartest man in the world, but he is also incredibly shy and wears a pair of pants so tall that they cover up half of his face, hence his name.