MF Grimm a.k.a GM Grimm a.k.a Superstar Jet Jaguar or simply Jet Jaguar, is an underground rapper from Manhattan in New York City. In the early 1990s, he was known as The Grimm Reaper and was part of The Gravediggaz rap group (not to be confused with the Wu-Tang affilliated Gravediggaz). Grimm worked alongside his DJ, Roc Raida of X-Ecutioners. He also collaborated with hip-hop legends like Kool G Rap and KMD.

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