male
Legion is the illegitimate son of Professor X with many personalities; each with different powers.
Legion (Marvel)
Dissociative Identity Disorder
for Dissociative Identity Disorder in Diagnosing Fictional Characters (My version)
Suggested by merkurs
Please only nominate characters that *actually* fit the diagnosis. If I get too many nominations that feel like trolling, I'll have to close nominations to only a few specific users.