Fictional character, protagonist of the Doom video game series. Doomguy is a Marine who previously worked for the United Aerospace Corporation. He appears as a muscular man in a green armored suit. In most games and other works, the name of Doomguy was not called, although individual games and books assigned him names like "Flynn Taggart" or "Stan Blaskowitz".Doomguy is an iconic character, the epitome of strength, fury and masculinity. DoomGuy is a descendant of BJ Blaskowitz