special character

:  distinguished by some unusual quality

:  being in some way superior

:  held in particular esteem

:  one that is used for a special service or occasion

:  something (such as a television program) that is not part of a regular series

:  a featured dish at a restaurant

:  a conventionalized graphic device placed on an object as an indication of ownership, origin, or relationship

:  a graphic symbol (such as a hieroglyph or alphabet letter) used in writing or printing

:  a magical or astrological emblem

:  engrave, inscribe

:  represent, portray

:  characterize

:  capable of portraying an unusual or eccentric personality often markedly different from the player

:  requiring or involving the portrayal of an unusual or eccentric personality