6 Anime Characters Who Can Challenge Saitama July 16, 2021May 8, 2016 by Saitama3. Monkey D. Luffy (one piece)This is going to be a real fight, cause a battle between Saitama and Monkey D. Luffy is going to be a fight of Punch Vs Punch, with same power and speed. So what do you think about this one? Who’s going to win? Pages: 1 2 3 4 5 6