Crossword Genius

Scrooge Mike is with monarch (5)

Ross

I believe the answer is:

miser

'scrooge' is the definition.
(Dickens' Ebenezer Scrooge is a miser)

'mike is with monarch' is the wordplay.
'mike' becomes 'M' (phonetic alphabet: alpha, bravo, charlie etc.).
'with' is a charade indicator (letters next to each other).
'monarch' becomes 'er' (abbreviation for Elizabeth Regina, British Queen).
'm'+'is'+'er'='MISER'

(Other definitions for miser that I've seen before include "Penny-pinching person like Scrooge" , "Pinchpenny" , "Mean individual" , "Wealth hoarder" , "One of the people who spend least" .)

I've seen this clue in The Sun.
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