Oddly enough, one of the most trusted (and vocal) sources for information about Batman V Superman: Dawn of Justice has been filmmaker/podcaster/comicbook writer Kevin Smith. While he's not at all involved in the film's productiuon, his long standing friendship with Ben Affleck and intimate ties with Warner Brothers and DC have allowed him unprecedented access to the top-secret blockbuster.
This time, Smith speaks out about Jason Momoa's casting as Aquaman, the Atlantean and often underestimated member of the Justice League. While Smith didn't know about Momoa's casting, he does offer his opinion:
Well, I think most people of course when they think of f****** Aquaman, they think of the traditional cartoon version, but the current version or incarnation is he's a badass king of the seven seas, a warlord to some degree. So I could see where they would get away with casting this dude.
[After looking at a phoot of Momoa and Aquaman side by side] Yeah I'll buy it. Will they blonde his hair, you think? It's awesome. Think about it dude, they used to make fun of Aquaman all the time. Aquaman, he only talks to f****** fishes. F****** say that to that dude's face.
Smith has a valid point, and one that a majority of comic book fans share. While Momoa may not have been everyone's choice for the role, he does give the character a sense of badassery and intimidation that is needed to show general audiences that he's a viable and valuable character of the JLA, and one that definitely does more than just "F****** talk to fishes."