Kool Moe Dee, born Mohandas Dewese, is an American rapper who was one of the first rappers to earn a Grammy Award. He gained fame in the late 1970s and 1980s as a member of the pioneering hip-hop group Treacherous Three and later as a successful solo artist. Known for his fast, aggressive, and complex lyrical delivery, he was a key figure in the 'new school' of hip hop. His legendary rap battles, particularly with LL Cool J, cemented his status as one of the most influential and respected MCs of his era.