The art is fairly perfunctory here (I think I was in a rush) but I like the joke.
Bob, the rat trainer, pours Eskimo a drink.
ESKIMO: The rat race, eh, Bob?
BOB: I hear that!
They take swigs of their drinks.
ESKIMO: Ugh, what is this?
BOB: Uh… how old are you?
ESKIMO: Sixteen.
BOB: Chocolate milk.