Fan Casting Andy Serkis as Sinister Slug in The Adventures of Mermaid Man and Barnacle Boy

Andy Serkis is known for his roles in The Lord of the Rings: The Fellowship of the Ring, Avengers: Age of Ultron, and The Lord of the Rings: The Return of the King. He has been suggested by fans for 12,191 roles on myCast, including Best in Best & Worst Comic Book Castings. Similar actors include Bill Hader, Josh Gad, and Steve Carell. Andy Serkis was suggested to play Sinister Slug in The Adventures of Mermaid Man and Barnacle Boy by mephilesthedark. Other actors sugggested to play this role include Willem Dafoe. The Adventures of Mermaid Man and Barnacle Boy has 17 roles, including Mermaid Man, old Mermaid Man, and Barnacle Boy.