mimicry

noun

1. (countable, uncountable)An act or ability to simulate or effect the appearance, characteristics, or behavior of someone or something else.

   “They say that mimicry is the sincerest form of flattery, but I still think I'm being mocked when he acts just like me.”

   “When animal mimicry goes really wrong they don't just look like something that a predator would ignore, they look like lunch.”