17 down
Having
ditched
‘Mike’,
coming
into
new
assumed
identity
(9)
Having ditched ‘Mike’, coming into new assumed identity (9)
hints
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hints
The definition is at the end of the clue.
How the clue works
Look at assumed identity at the end — that's your definition. Take the letters of coming into, drop the M (Mike in the phonetic alphabet), then new is your anagram signal, telling you to rearrange what's left to get your answer.