| Fact! | X-Men Character? |
| Mutant with the involuntary power of charm | |
| Mystical villain that once enslaved Psylocke and made her his concubine | |
| Actually one of the original X-Men whose powers drove him to becoming a villain | |
| A powerful X-Man and X-Sibling whose history at the X-Mansion was erased from the minds of all other X-Men by Xavier | |
| An X-Man who once commented on the actor portraying him in a movie, not being an accurate representation | |
| An identity assumed by three very different characters at different times, for purposes of disguise | |
| Optimistic mutant who is the son of a demon | |
| Mutant who did not actually exist by this codename in the comics initially, but did in the X-Men cartoon series | |
| Australian mutant who is daughter to Deathbird | |
| Anti-mutant activist with infamous mutant parents | |
| | Fact! | X-Men Character? |
| One of the only (if not the only) supervillains who have caused Wolverine to struggle with fear | |
| This powerful mutant is actually a very frail old man who exists within a a cybernetic suit made from alien technology | |
| Shortlived X-Men character who without her powers, once treated Daredevil in hospital | |
| Aside from Jean Grey and Rachel Summers, this mutant also served as vessel to the Phoenix Entity | |
| Though mostly underrated for her powers, this psionic mutant once defeated the epically powerful mutant witch Selene | |
| Wolverine was forced to kill this former teammate, due to brainwashing | |
| Mutant responsible for unifying Aurora's multiple personalities | |
| Body double of a much-loved X-Man who fell prey to the Legacy Virus | |
| Mutant ancestor of an X-Character who shares the same hair pigment | |
| This superstrong youngster had a crush on idol Wolverine, but passed up on the opportunity to enrol at Xavier's after crossing paths with him | |
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