Tyruss Himes, better known by his stage name Big Syke is an American rapper. His stage name is a revision of his childhood nickname, "Little Psycho". In 1990 Big Syke started a rap group called Evil Mind Gangstas with rappers Domino and Mental illness.
He met 2Pac in 1992, and joined 2Pac's group Thug Life, after Evil Mind Gangstas only album, All Hell Breakin' Loose, was released. After Thug Life broke up, and after 2Pac was released from prison, Big Syke appeared on four tracks on 2Pac's All Eyez on Me album - "Picture Me Rollin'", "When We Ride", "All Eyez on Me" and "Check Out Time". He joined a second 2Pac group, Outlawz, adopting the name Mussolini as part of the group's anti-western theme.