West Kaio

西の界王

West Kai (Nishi no Kaiou; lit. "West Kaio" or "West King of the Worlds") rules the West Galaxy of the universe and serves as North Kai's personal rival.
West Kai is notably arrogant, rude, and insulting. He is short in stature, standing at about half the size of North Kai, and wears a blue monocle (he is the only Kai who does not wear sunglasses). His fighters are very strong, with Pikkon being his best and strongest. His roster of fighters includes Pikkon, Tapkar, and Maraikoh. He taught Pikkon the Thunder Flash Attack and later remarks, after Pikkon fried the arena twice with the move, that "I told him not to do that, 'don't use Thunder Flash unless you're far away' I said. It's getting harder and harder to teach these kids, It's all about explosions to them." It also turns out that he fought the monster Majin Buu, as North Kai reminds him during the Kid Buu Saga. He does not recognize Buu at first, wondering if he is training or "trying to kill us." When he remembers Buu, he teases Pikkon with the obvious truth that Buu is much stronger than him, much to Pikkon's dismay.