Greg

Greg is introduced in Adventure Time Volume 11, he is seen in Finn's vision of his previous incarnation as Davey. Greg is Davey's boss, and seems to be in charge of a space mission when Davey refuses to go on the space mission in place of an astronaut who was not feeling well, he then catches Orgalorg’s Penguin Form on a security camera trying to sneak onto the space ship.

Appearance
Greg appears as a standard middle-aged man with light green skin, black hair, and a brown business suit.