Alternate-X Versions: Sister Carlysle (Age of Apocalypse)
Powers & History: Copycat is a very gifted shape-shifter, able to transform into another person so precisely that no one call tell them apart. Copycat is not only able to disguise herself as the person, but also can duplicate their powers as well. Her powers work similar to those of Mimic (comics), meaning that she can duplicate their appearance and powers of another by just being near them, sometimes involuntarily. Retaining the powers of another depends on the duration of exposure to the person. Her ability may even allow her to replicate the other person's psy-patterns, for even she tricked Cable into believing that she was Domino for several months. This article needs to be cleaned up to conform to a higher standard of quality. ...
This notably happens in the case of "copycat crimes", where a notorious or unusual crime inspires a wave of similar activity; this can happen with crimes ranging from shoplifting of particular items and graffiti, up to copycat suicides and murders.
Copycat has been in recorded use since at least 1896, in Sarah Orne Jewett's "The Country of the Pointed Firs" but the expression could be many decades older.
Copycat is also the name of a 1995 thriller starring Sigourney Weaver about a serial murderer in San Franscico whose MO is to copy the killings of high profile killers.