The masked man was revealed to be Kane, Undertaker's (kayfabe) half-brother and, despite the animosity and the presence of Paul Bearer, Undertaker vowed never to fight his little brother. Reliving 'The Streak:' The Undertaker defeats Kane at WrestleMania 14 Now that The Undertaker's famous undefeated streak has ended, we can now look back it in its entirety. Before Undertaker's casket match with Michaels, D-Generation X claimed Kane had joined them, but in fact, he came to the ring to assist Undertaker. The Undertaker brawls with his brother Kane at Madison Square Garden on March 14, 2004 as The Deadman looks to extend his undefeated streak at WrestleMania to 12 consecutive wins. In the days leading up to WrestleMania 31, we will take a look back at every memorable chapter of the feat that can never be duplicated.