Teto, also known as Tet, is a key character in the anime series 'No Game No Life'. He is the One True God in the world of Disboard, having won the last of the eternal Great War among the gods. Teto is a playful, mischievous deity who loves games and challenges. His role in the series is pivotal, as he orchestrates the arrival of Sora and Shiro, the protagonists, to Disboard, setting the stage for their adventures. Teto's character embodies the spirit and rules of Disboard, where everything is decided through games.