Right side is white with the classic, friendly appearance of a teddy bear, while his left side is yellowish brown, He has bright pink cheeks, pair of round black glasses. an abacus, and a yellow pacifie. Child-like robot, he is cool-headed and calm. most intelligent, he is neither mature nor docile, and he has a horrible mouth. somewhat aggressive. Monosuke acts like the straight man of a double act stand-up comedy, speaks in a New Jersey accent, very impatient whenever he feels cranky.