Donovan had a cameo appearance in Ron White's TV special taped for the WB back in 2005.
Donovan appeared on the 2007 Comedy Relief show hosted live in Vegas by Robin Williams, Billy Crystal and Whoopi Goldberg. He appeared in a skit with Jimmy Kimmel.
Donovan has a tattoo across the small of his back that has "Wild Child" across it. Across his right bicep he has a tattoo going around his arm with the words "Wild Child" in the band. Between the words is the Superman symbol.