 The events of the game unfolds successively from the viewpoints of four different Warhead protagonists . The first one is Gene , a young man who becomes amnesic after the Arks accident . He is the son of professor Alvin , one of the builders of the Arks , who disappeared some time after the accident . While searching for his sister Aliz kidnapped by a strange creature , Gene is mutated into a Warhead and watches his arm turning into a weapon during a battle against some Otellos . He is assisted by a small floating companion named Pake ; and is later joined by the Warhead Kilroy , who was an assistant to professor Alvin ; and Meme , a mysterious but determined , optimistic young female Warhead . 
