"Maniac 2000" (Maniac) is a song produced by Simon Fitzpatrick and Tim Hannigan featuring vocals performed by Mark McCabe and Shelley Bukspan. It is a medley of Michael Sembello's 1983 song "Maniac" and lyrics co-written by Dublin DJ Al Gibbs, over the instrumental club version of Irish rave act 4-Rhythm's cover of "Maniac", dating back to 1995.