Which rapper is known for his frequent use of the metaphor “Slim Shady”?

Eminem

Eminem, through his alter ego "Slim Shady," has explored dark and controversial themes with biting humor and raw honesty. This persona has allowed him to tackle complex personal and social issues, offering him unprecedented creative freedom. "The Slim Shady LP," his first major album, catapulted Eminem to global superstar status, demonstrating the power of storytelling in hip-hop.