Οὔτοι ποθ' οὑχθρός, οὐδ' ὅταν θάνῃ, φίλος → One's enemy does not become one's friend when they die
imitative: P. μιμητικός.
pretended: P. προσποιητός; see fictitious.
imitator: P. μιμητής, ὁ.
P. and V. μιμεῖσθαι; see imitate, parody.