* "Hart Beat" by Jimmy Hart and J.J. Maguire (WWF; 1988–1994)

* "Hart Attack" by Jim Johnston, Jimmy Hart, and J.J Maguire (WWF; 1994–1997)

* "Hitman in the House" (WCW; 1997–1999)

* "Hitman Theme" by Keith Scott (WCW; 1999–2000)

* "Rockhouse" by Jimmy Hart and H. Helm (WCW; used while a part of the nWo 2000; 1999–2000)

* "Return of the Hitman" by Jim Johnston (WWE; 2010)

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From Wikipedia...