Former “Game of Thrones” actor Jason Momoa, has signed on to star as Aquaman in “Batman versus Superman: Dawn of Justice”.

The Huffington Post is reporting that Momoa will be playing the aquatic-based superhero. So far, “Batman versus Superman: Dawn of Justice” currently stars Ben Affleck as Batman, Henry Cavill as Superman, Gal Gadot as Wonder Woman, and Jesse Eisenberg as Lex Luthor.

(Original reporting by Hitfix.)