Psylocke (Elisabeth "Betsy" Bradock, sometimes and originally spelled as Elizabeth) is a fictional character depicted in various comic book series published by Marvel Comics, most notably those presenting the adventures of the superhero team The X-Men. The character has also appeared in various licensed adaptations. Created by writer Chris Claremont and artist Herb Trimpe, she first appeared in the UK-only comic book Captain Britain #8 (December 1976). She was originally a supporting character in the adventures of her fraternal twin brother, Captain Britain, briefly substituting for him in the role.