Rob CorddryIn Childrens Hospital, a comedy series airing on cable's Adult Swim, Rob Corddry plays a doctor who wears John Wayne Gacy-style clown makeup. But to Corddry's way of thinking, the inappropriate presence of a creepy clown in a children's hospital isn't really the joke. Corddry doesn't buy it when people claim they were traumatized as kids by clowns.