This is a demon...From doom....You went into hell and found a demon

Doomguy, the legendary soldier, battles demons in power armor, armed with various weapons. He's a man of few words, but his actions speak volumes. A man of honor and integrity, he risks his life to protect the innocent, whether facing Hell's hordes or his own inner demons.

Doomguy was fighting demons in hell but then you came thru the portal....