Sean Michael Waltman (born July 13, 1972) is an American professional wrestler. Waltman is best known for his appearances with the Worl Wrestling Federation (WWF) under the ring names 1-2-3 Kid and X-Pac, World Championship Wrestling (WCW) under the ring name Syxx and Total Nonstop Action Wrestling (TNA) under the ring name Syxx-Pac and also Sean Waltman.