The Mud Men were a trio of monsters, being the disguises of Jim (a cook at the Sunny Side Up Diner), a waitress, and a janitor.
Physical Appearance[]
The Mud Men were large, burly figures made of sticky, sludgy mud. Their eyes were glowing orange, giving them an ominous stare. Normally when attacking, the Mud Men would make raspy screeching noises.
Personality[]
The Mud Men were hostile monsters who attacked their victims via abduction. Despite their general hostility, they ultimately plan their crimes to fulfill their ultimate goals, which are to steal the Mystery Machine and use it to smuggle gold.
History[]
Scooby-Doo and Guess Who?[]
Season two[]
The Mud Men were three disguises used by Jim, a cook at the Sunny Side Up Diner, as well as a waitress and janitor, used to steal a vehicle and use it to smuggle the gold of Spanish conquistador Zaragoza. They were first seen attacking Mystery Inc. while they were driving along Highway 66, where they stole the Mystery Machine to use as their transport vehicle. Later, they attacked Mystery Inc. when they visited the Sunny Side Up Diner, where they kidnapped Fred, Velma, and Daphne, leaving them bound and gagged in their hideout.

Axl Rose, Shaggy, and Scooby followed their traces to the lost city where the gold was hidden. When they found they found and rescued Fred, Daphne, and Velma, the Mud Men attempted to escape the crime scene with the Mystery Machine (having loaded it with gold), but Rose, Shaggy, and Scooby pursued them. In the chase, Scooby's vehicle crashed into the Mystery Machine's windshield, causing the Mud Men to crash. They were then captured, sprayed with water to reveal their true identities, and handed over to authorities.
Appearances[]
- Scooby-Doo and Guess Who?
- 223. Dark Diner of Route 66! (no lines)