Mark Acheson

This article is about . For other uses of "Mark", see Mark (disambiguation)|The name or term "Mark" refers to more than one character or idea. For a list of other meanings, see Mark (disambiguation).}}

He's not Orson Welles, but at least he's scary.

Mark Acheson (born September 19, 1957) is a Canadian actor. Among his better-known roles are Fisto on the 2002 version of Masters of the Universe, Boris on Black Lagoon, the title character of Fat Dog Mendoza, Sabretooth on Hulk vs. Wolverine, Magistrate Wilkins on Smallville and Tirek on My Little Pony: Friendship Is Magic.