WWE "Look Within" Cryptic Promo Video - Is It The Undertaker's Return?

The latest cryptic WWE promo for a returning superstar on January 2nd, 2012 aired during last night's edition of RAW. This one carries the tagline "Look Within" and it once again features a boy in a classroom speaking words of 'vengeance' for a superstar's return. Watch the video for yourself below; http://www.youtube.com/watch?feature=player_embedded&v=lJoZV7lgxL4 As we have reported previously, the promo is expected to be used for either the return of Chris Jericho or The Undertaker. Originally Vince McMahon wanted the videos to be used for Y2J's return but when talks between WWE and Jericho broke down over money, scheduling and how he would be used in the build-up to Wrestlemania, McMahon decided to keep them ambiguous so he could use them for the return of The Undertaker if required, who was expected to return in January anyway. Certainly as the weeks have gone by, personally speaking, the videos have become more and more suited in tone and in the words for the return of The Undertaker. What do you think? Who do you think the videos refer too?