Akihiko Kayaba is the creator of Sword Art Online video game and the antagonist of the series.
Akihiko Kayaba is created by Reiki Kawahara as the main character in Sword Art Online that is based on the light novel. He first appears in Sword Art Online episode 1, The World of Swords. He is voiced by Koichi Yamadera.
He is Commander Heathcliff in disguise when he first reappears as the commander in episode 9.
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