im·per·son·ate 
(ĭm-pûrsə-nāt′)
(ĭm-pûrsə-nāt′)tr.v. im·per·son·at·ed, im·per·son·at·ing, im·per·son·ates
1. To assume the character or appearance of, especially fraudulently: impersonate a police officer.
2. To imitate the appearance, voice, or manner of; mimic: an entertainer who impersonates celebrities.
im·per′son·ation n.
im·person·a′tor n.