YOLO

YOLO (born as You Only Live Once) is Fish Vartan's pet dog. He is voiced by June Foray while he is sleeping and Frank Welker when he wakes up and snarls.

The Greatest
YOLO was first appeared sleeping.

The Little Guy
YOLO was last appeared in the end credits with Snake and Mouse sleeping, at the end, he wakes up and snarls at Snake and Mouse as they scream.