Jason Lee Von Flue (born August 1, 1975) is an American mixed martial artist, who is perhaps most notable for appearing on the second season of The Ultimate Fighter. A professional competitor since 1999, he has competed for the UFC, WEC, Strikeforce and King of the Cage.In 2006, at UFC Ultimate Fight Night 3 against Alex Karalexis, Von Flue successfully applied a unique submission move to counter the guillotine choke that is now commonly known as a Von Flue choke.