Metal Sonic is the robotic counterpart of Sonic the Hedgehog, created by Dr. Eggman and first introduced in Sonic CD in 1993. Since then he has returned as a recurring boss and rival across the Sonic games, known for his cold, silent menace and incredible speed. Clips of his roar and boss encounters have been reused widely in fan edits, gaming montages and meme videos, where the sound instantly identifies him without any dialogue. That instant recognition keeps the roar popular with Sonic fans and creators making villain reveals.