Kai En Tai (with the exception of Shiryu, who was in WCW as Kaz Hayashi) made their first appearance in the WWF in 1998, now known only as Kaientai because WWF already had a stable named DX.
Kai En Tai (with the exception of Shiryu, who was in WCW as Kaz Hayashi) made their first appearance in the WWF the night after WrestleMania XIV on the March 30,1998 episode of Raw is War. They were known only as Kaientai because WWF already had a stable named DX.