Katherine Anne "Kitty" Pryde is a character appearing in American comic books published by Marvel Comics, commonly in association with the X-Men. The character first appeared in The Uncanny X-Men #129 (January 1980) and was co-created by writer-artist John Byrne and writer Chris Claremont. A mutant, Pryde possesses a "phasing" ability that allows her to pass through objects, hence she is intangible while using this ability. This power also disrupts any electrical field she passes through, and lets her simulate levitation.