The Doom Slayer

Doom Slayer is the main protagonist in the Doom video game series, he doesn't speak and he is literally impossible to kill. He stared off as a normal Space Marine taking down Demons on Mars after he was discharged for assaulting a commanding officer but after the job was done he came home to earth to see his home, wife and pet bunny, Daisy has been taken away by Demons and so you goes back to hell to kill the creator of hell and so he goes back and forth from Mars to Hell and killing Demons.