Nahoya Kawata, also known by his nickname 'Smiley', is a prominent supporting character in the anime and manga series Tokyo Revengers. He is a vice-captain of the Tokyo Manji Gang's Fourth Division and is recognized for his ever-present smile, which belies his tough and fearless nature in battle. Nahoya is the older twin brother of Souya Kawata. His unwavering resolve and strong sense of camaraderie make him a valuable ally in the gang, often playing a pivotal role during major conflicts.