One of Mark's biggest rivals in the last several years was Kane. They have either wrestled as opponents or partners during many matches. Kane's real name is Glen Jacobs. He is 7 ft. tall and weighed 326 pounds. In the fall of 2001, Kane and Mark held both the WWF and the WCW Tag Team titles. Mark Kept the title for more than three months. On August 3, 2001 Bret Hart challenged Mark for the title. Wrestler Michael Hickenbottom was the guest referee during the match. Michael wrestled as Shawn Michaels. Late in the match, Hart argued with Michaels. Michaels tried to hit Hart with a steel chair. Har ducked. Michaels hit Mark instead. Har then covered Mark for the pin and the title.