mockingbird (n.)

• ape
• bulbul
• canary
• conformist
• copier
• copycat
• copyist
• counterfeiter
• cuckoo
• dissembler
• dissimulator
• echo
• faker
• forger
• hypocrite
• imitator
• impersonator
• impostor
• lark
• mavis
• mime
• mimer
• mimic
• mimicker
• mocker
• monkey
• nightingale
• oriole
• parrot
• phony
• plagiarist
• poseur
• ringdove
• sheep
• simulator
• songbird
• songster
• thrush
• warbler