The image is of Frank Castle, also known as the Punisher, a fictional character appearing in American comic books published by Marvel Comics. The character is depicted as a vigilante who uses lethal force to punish criminals. He is typically depicted as a one-man army, and is often seen using a variety of weapons, including firearms, knives, and explosives. The image is a dark and gritty one, and it captures the character's dark and brooding nature.