Leonard Daniels

The Old Doctor is a minor character in The Amazing World of Gumball. He first appears in "The Awkwardness"

Appearance
He's a lightbulb-shaped man with black hair. He wears his underpants on the outside.

Season 4

 * "The Awkwardness": He appears three times in this episode; the first is on the city bus, the second is in the bathroom, and the third is outside the mall.