A highly intelligent nerd and inventor. He gets A's in every class except physical education and is the favorite student of most of his teachers, especially Professor Flutesnoot and Mr. Weatherbee. He is not especially interested in dating and is shy around girls, though he has shown interest in a few girls in the series. Despite his quirks, he fits in well with the gang, who often rely on his brains. He and Moose are best friends, despite their contrasting personalities.