Billy Han is a TikTok content creator and social media personality known for sharing his anime fandom through his billyhan_ account, which has garnered more than 1.7 million followers. He frequently uses the green screen effect to create videos set in the world of his favorite animes. Billy made his TikTok debut in early 2020 with a dance performance set to Doja Cat's "Say So," captioning the video, "Any senpai out there please notice me." One of his notable achievements in 2020 includes his "Calling out your anime crushes for being underage" video, which went viral and accumulated more than 1 million combined views.