Because every other comments mentions it, no its not the 501st official theme and nether are those pic but what accompany best a kick ass theme and bad ass pictures than an epic title?
BTW that's not my music nor are these picture mine, i only posted that because RUclips wouldn't let me watch the original video on my phone and i found that loop hole i really have no clue who these 100 people think they are subscribing to but all I can say is
WATCH THOSE WRIST ROCKETS!!!!