Ivan Black is a central character in the Korean animated web series 'Alien Stage.' He is a contestant in the deadly singing competition orchestrated by extraterrestrial beings, where humans must perform to survive. Ivan is known for his determination, resilience, and strong moral compass, often acting as a leader among the contestants. His journey explores themes of identity, hope, and survival, making him a pivotal figure as he navigates the psychological and emotional challenges presented by the alien overseers.