History on Instagram: "Ninja Mack, a masked American professional wrestler whose “11-backflip” move became a massive viral sensation on May 11, 2025. In this clip from a New Japan Pro-Wrestling (NJPW) event, Mack performs a rapid series of back handsprings that start inside the ring, transition over the top rope to the floor, and continue with incredible speed all the way up the entrance ramp. The sequence concludes with him delivering a kick to his fleeing opponent at the top of the ramp, a fea