Copied, Picaroon and Boatman? (6)

I believe the answer is:

myself

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This clue might be a double definition.

'copied picaroon' is the first definition.
'myself' can be an answer for 'picaroon' (where the crossword setter is 'Picaroon'). I am unsure of the 'copied' bit.

'boatman?' is the second definition.
(where the crossword setter is 'Boatman')

'and' is the link.

Can you help me to learn more?

(Other definitions for myself that I've seen before include "Me, in person" , "Crossword compiler" , "I personally" , "Emphatically, me" , "Reflexive pronoun" .)

I've seen this clue in The Guardian.

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