Marvin is a character who appears in the episode "Gary & Spot." He is an animal control officer who is first seen trying to capture Gary, but Gary escapes from him.
He is a green fish with hair on each side of his head. He also has a bit of a pink mouth, wears brown shoes, a gray shirt, and some black pants with a belt.
Role in episode
He is first seen tying to capture Gary, then again but with Spot also. He then goes to disco party shipwreck where Gary and Spot went to and kidnaps everyone except for Gary and Spot. Then he goes back and is sad till Gary and Spot release the animals and give him a girlfriend named Alice. Then at the end of the episode, he marries Alice, and lets all the animals go free.