Tengen is an eccentric and flashy individual, always wanting to be "flamboyant", possessing a need for everything to be flashy and outstanding, even proclaiming that he is the god of flashiness and festivals. As a result of his exuberant and flamboyant personality, Tengen is very demanding of others, treating the Demon Slayers very harshly during the Hashira Training Arc. Furthermore, he also abhors the idea of unflashy things, as shown when the Hashira openly expresses his hate for plainness