The Undertaker

The Undertaker (AKA Cain the Undertaker)is a villain from WWF/E. In the show he was mystyrues Wrestler who  was the primary antagonist of many of the storylines in the WWF/E.

Roundtable of Inferno
The Undertaker didn't fight but made a cameo at the end of round 6, Foreshadowing his future appearances in the War.

What his plans are is not yet known.