In an effort to save the universe, Saitama punches God in the face in the non-canonical One-Punch Man: The Fight of Gods, a fan-made comic based on the popular anime, manga and webcomic.

God's powers are channeled by Empty Void, posing a deadly threat to Saitama in One-Punch Man. God's powers can ignore the law of physics, including space, energy, and size. Blast is the only ...