"Mr. Rager" is a song by American rapper Kid Cudi, featured on his 2010 album, Man on the Moon II: The Legend of Mr. Rager. The track explores themes of inner struggles, fame, and the duality of Cudi's persona, reflecting his experiences with mental health and the pressures of celebrity life. The song is characterized by its atmospheric production and introspective lyrics. It showcases Cudi's unique style, blending elements of hip-hop and alternative music. "Mr. Rager" has been well-received by fans and critics alike, contributing to Cudi's reputation as an influential artist in the music industry.