
| Name: | Changeling |
| Real Name: | Kevin Sydney |
| Previous Names: | Professor X (II) |
| Current Team Affiliation: | None (Deceased) |
| Previous Team Affiliation: | X-Humed, X-Men, Factor Three |
| First Appearance: | X-Men (Vol. 1) #35 |
| Death Occurrence: | X-Men (Vol. 1) #42 |
| Brief Description of Powers and Abilities: | Shape-Shifting, Telepathy, Telekinesis |
| Source of Powers: | Human Mutant |
| Note: | Changeling impersonated Professor X, while the real Professor went into seclusion. |
| Currently: | Changeling was killed and later resurrected as a Zombie and was forced to serve on the X-Humed and is once again deceased. |
| Cross References: | None |
Changeling was second-in-command of the subversive organization Factor Three. He later discovered he was dying of cancer and chose to reform himself. He went to Professor X for help. On Professor X's request, Changeling impersonated him while the real Processor X went into seclusion to prepare to repel the forthcoming attempt by the alien Z'nox to conquer Earth. Changeling later died by the explosion of an oscillotron machine that Grotesk, a lone survivor of a subterranean race, was attempting to use.
Latet, the voodoo practitioner called the Black Talon later resurrected Changeling as a zombie and forced him to serve in a team of other mutant zombies called the X-Humed. However, he still had some free will and attempted to help She-Hulk defeat the Black Talon. After the Black Talon was defeated by She-Hulk, Changeling once again became truly dead.
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