Karai is a fictional supporting character appearing in Teenage Mutant Ninja Turtles comics and related media. She is usually a high-rank member of the Foot Clan outlaw ninja organization. She was originally introduced in Kevin Eastman and Peter Laird's comic book series Teenage Mutant Ninja Turtles in 1992. Since then, she has appeared in several different Teenage Mutant Ninja Turtles comics, television series, films, and video games. She is depicted as Shredder's second-in-command or adopted daughter in most versions and shares a rivalry with Leonardo and is at times considered his love interest. In one version of the comics, she is the granddaughter of the immortal Shredder.