Metal Sonic first appeared in Sonic CD in 1993 as a robotic rival to Sonic the Hedgehog, built to match his speed and created by Dr Eggman. The character's cold, mechanical image has made him a staple of Sonic games, comics and animations ever since. This particular line, don't do what Sonic does, circulates online as a short soundboard clip and meme edit rather than a famous game quote, shared for its ironic twist on classic character safety warnings and its instant recognition among Sonic fans.