Inspired by the theatricality of kayfabe, the staged nature of the sport, and his own tendency to form elaborate hoaxes, Kaufman began wrestling women during his act and was the self-proclaimed "Inter-Gender Wrestling Champion of the World," taking on an aggressive and ridiculous personality based upon the characters invented by professional wrestlers. He offered a $1,000 prize to any woman who could pin him. He employed performance artist Laurie Anderson, a friend of his, as a stooge in this act for a while.
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Later, after a challenge from professional wrestler Jerry "The King" Lawler, Kaufman would step into the ring (in the Memphis wrestling circuit) with a manLawler himself. Kaufman taunted the whole city of Memphis, sending "videos showing residents how to use soap" and proclaiming it to be "the nation's redneck capital." Their ongoing feud, often featuring Jimmy Hart and other heels in Kaufman's corner, included a broken neck for Kaufman as a result of Lawler's piledriver and a famous on-air fight on a 1982 episode of Late Night with David Letterman. For some time after that, Kaufman appeared wearing a neck brace, insisting that his injuries were worse than they were. Kaufman would continue to defend the Inter-Gender Championship in the Mid-South Coliseum and offered an extra prize, other than the $1,000: that if he were pinned, the woman who pinned him would get to marry him and that Kaufman would also shave his head.
Kaufman and Lawler's famous feud and wrestling matches were later revealed to have been staged, or a "work", as the two were actually friends. This fact was not disclosed until more than 10 years after Kaufman's death, when the Emmy-nominated documentary A Comedy Salute to Andy Kaufman, aired on NBC in 1995.
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In 2002 Kaufman became an unlockable character in the video game Legends of Wrestling II and a standard character in 2004's Showdown: Legends of Wrestling.