| Milk Guy
| Character Information
He is a white carton of milk. He wears a police hat without a uniform. He has yellow eyes, a pink nose, and the word "MILK" on him printed in light blue.
- "The Parking": Gumball approaches him and accidentally throws the car keys at him, piercing his body and causing milk to spew out of him. However, he reappears when Richard messes up the parking.
- "The Choices": He wins second place in the tournament in Nicole's flashback.
- "The Copycats": The Wattersons crash into the toll booth he is in, causing milk to spew out of him.
- "The Catfish": He is surprised when Granny Jojo's car passes and smashes a barricade.
- "The Worst": He is seen putting mail in a mailbox, then Gumball and Darwin growl at him, spoiling him and writes "sour cream" on himself.
- "The Faith": He is seen watching the football team when the color turns black and white, then he gets into a fight with the Butterknife.
- "The Brain": He is working the Elmore Hospital toll booth when Richard mistakes it for a drive-through. He reluctantly gives the Wattersons some mints and paper, but explodes in rage when Principal Brown also mistakes the booth for a drive-through.
- ”The Stink”: He is in a toll booth when Mr. Small drives by.