namor

Character from Marvel, although originally created in the Timely Comics era by Bill Everett.
Namor, known as the Submariner, is a half-human, half-Atlantean prince of Atlantis, who fought in World War II alongside Captain America and the original Human Torch.
He has worked for several other superhero teams, but his hatred for humanity for polluting the oceans has also lead him to clash with other heroes.