The Rebel Crash is a simple Po-Matoran from 'Technoworld'. He is very kind and likes big companies, but always suffered because of low self-appraisal and big necessities. He never been successful both Alchemy and Technomagic, and cheered by that his best friend, Axel the Le-Matoran. But when they meets Takanuva, his life has changed forever. Crash went with Toa of Light to the way-home-finding quest and involved himself in bad story. At the certain moment the shadow side of Takanuva has seized his body, and Crash was the one who removed the Mask from the twisted Toa's face. However a stranger named Ark has ruined all by appearing from nowhere. He took away Takanuva's mask from Crash, desintegrated Matoran's hand and threw him to the Astral. Furious Crash has traveled over the Astral Corridors and suddenly shown up in the Shadow Lord's chamber. This one is a greatest evil but he has embarrassed the Matoran and persuade him to return in his world and stop the giant robot also known as Mata Nui. While Crash were sleeping, Shadow Lord has modified his mind and body. As the result, Po-Matoran became something between Matoran and Toa - a Demitoran. Crash has realized Shadow Lord's treachery only when his dear world was at the edge of destruction. By paying a big price, Crash let Takanuva and some other persons to leave this world through the Time Maelstrom Arch.