Tar Monster (voiced by Michael Sorich) is one of many monsters that appear in Jeffrey, Jaden & Friends' Storm Adventures of Scooby Doo 2: Monsters Unleashed. He was accidentally created by Shaggy, Scooby, Sid, Brain and Batty. During the final battle, the Tar Monster grabbed each team member one by one until Scooby was left. He used a fire extinguisher to freeze the Tar Monster solid. The Tar Monster was defeated for good when Scooby put the reprogrammed control panel back into the monster machine, and the monsters were turned back into costumes.
- Rarity considers both Captain Cutler's Ghost and The Tar Monster to be the "most disgusting creatures ever seen".
- The Tar Monster will serve as one the The Phamton Viruses henchmen in Jeffrey, Jaden & Friends' Storm Adventures of Scooby Doo and the Cyber Chase.
- The Tar Monster will become Twilight and Kyle's enemy in Twilight and Kyle's Adventures of Scooby Doo 2: Monsters Unleashed.
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