6 Anime Characters Who Can Challenge Saitama July 16, 2021May 8, 2016 by Saitama2. Sosuke Aizen (Bleach)Everyone is feared of Aizen in his series and even in other series, he’s also ranked as to be the villain of villains and guess what! He might be able to beat Satiama too! Pages: 1 2 3 4 5 6