Katherine Anne "Kitty" Pryde is a fictional character that appears in comic books published by Marvel Comics.her codename is Shadowcat A mutant, Pryde possesses a "phasing" ability that allows her and objects or people with which she is in contact to become intangible. At the time of her membership, under the codename Sprite, Pryde was the youngest person invited to join the team of mutant superheroes the X-Men.