|This character exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Heat-Seekers, or known as Sandcrawler, is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. They are gigantic-worms that live in Sandopolis Desert.
Taking the appearance of a giant, Heat-Seekers, one of these creatures attacked Knuckles the Echidna and Archimedes, both where transported there thanks to a reawaken-Enerjak, while in the Sandopolis Desert. Archimedes led it to a rock while the Heat-Seeker was underground. The rock underground resulted its injury and soon, it died.