Mister Harold

Real Name: Wally Harold
Native Planet/Universe: Earth 37729
First Appearance: Adventures of Greasemixer: Season 2 Episode 5
Status: Unknown
Mister Harold was an old war friend of Old Man Marley's. Little else is known about Mister Harold. 
In Adventures of Greasemixer Season 2, we see Old Man Marley slam him to the ground but refuse to kill him. This is the last known appearance of Mister Harold, and his current living status is unknown.