Muck-A-Muck

Muck-O-Muck is the Omnitrix's DNA sample of a Polymorph from Viscosia and the Dimension 23 equivalent of Goop.

History
In It's a Mad, Mad, Mad Ben World: Part 1, Ben 23 mentioned him when Ben Prime transformed into Goop.

Powers and Abilities
Same as Goop.

Weaknesses
Same as Goop.