Name: Psylocke
Real name: Elizabeth 'Betsy' Braddock
X Group: Excalibur/X-Men Blue Strike Force
Mutant Power: Telepathy, Psychic blade (ninja skills)
First appearance: New Mutants Annual #2
Origin: Psylocke was born in Britain, and is Brian Braddock's (Captain Britain) twin sister.
Other Excalibur Members
In the later issues, Psylocke is actually another purple haired, ninja, imposter