This guy named Mel from the UK makes money as a Johnny Depp Lookalike. Well more like Johnny Depp as Jack Sparrow Lookalike. I don't see Johnny much in him. Now Skeet Ulrich on the other hand could make a killing as a professional Johnny Depp Lookalike.

MEL (Johnny Depp Lookalike)
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Now Here are two guys he could actually impersonate:
[0]Cisco Adler

[0]or Weird Al

Now this man could impersonate Johnny pretty well (IMO):
[0]Mr. Skeet Ulrich