Underground Hero is the seventh studio album by American rapper MC Eiht. It was released on July 2, 2002, via D3/Riviera Entertainment. The recording sessions took place at Mad Hatter Studios in Hollywood. The album was produced by Big Resse, Daven the Mad Hatter, Mr. Tony, Narcotic, Nic & Tone, the Platinum Brothers, and Young Tre. It features guest appearances from Mack 10, Sticky Fingaz, Yukmouth, and the Outlawz. The album peaked at number 54 on the Billboard Top R&B/Hip-Hop Albums and number 23 on the Independent Albums chart in the United States.