General Loki the velociraptor is a major antagonist in the Astrosaurs series. He is the first and most frequent recurring villain. Captain Teggs, Arx, Gipsy and Iggy have encountered him five times, in Riddle Of The Raptors, The Space Ghosts, The Claws Of Christmas, The Dreams of Dread, and Earth Attack!. Loki was killed by a meteor in Earth Attack!, making it his final appearance.