I'm going to have to agree that ENFPs are awesome mimics. I'm going to extend that to ENTPs too (the ones I know are as good). It's an Ne talent.
As far as conciously trying to be someone we worship... I doubt it. I'll imitate an expert violinist, or the mannerisms of my best friend, but I will never try to be someone I'm not. In the end it's like the song says, I'll do it my way!