Krampus

Krampus was the disguise of Charlie the Robot controlled by Jason Wyatt for Mystery Incorporated to steal Mr. E's Planispheric Disk Pieces

Physical appearance
He looks like a half human half goat hybrid with a switch, horns , and glowing green eyes

Powers and abilities
He has the ability to make people's hair turn white and grow with fear ,super strength also he can melt objects with his eyes that turn red and can stretch his tongue to wrap around victims

Season two
Krampus was the disguise of Charlie the Robot controlled by Jason Wyatt for Mystery Incorporated to distract Mr. E to steal Mr. E's Planispheric Disk Pieces with the help of Hot Dog Water to break into Mr. E's vault with the code Fred got by planting a bug on Brad Chiles' back.

Appearances

 * Scooby-Doo! Mystery Incorporated
 * 212. Wrath of the Krampus