Grarreo is the Greature form of a Marreo clone who traveled from the Bootleg Galaxy to the United Grarreo Classification Health Profession 'Gees Galaxy. Once he got to the UGG, he got stung by a Marmite carrying FFR. The FFR immediately worked, turning him into Grarreo. He met Gralleo III once, after a few minutes of walking away, Gralleo III was killed by Killeegee. After he saw Gralleo die, he fell into a sprial of depression. After 9 weeks of depression, Gralleo IV came into his house and killed him.