Ogre's quiet about end of snack (5)

I believe the answer is:

shrek

'ogre's' is the definition.
(ogre in the film franchise)

'quiet about end of snack' is the wordplay.
'quiet' becomes 'sh' (both can be said to tell someone to be quiet).
'about' becomes 're' ('re' means regarding or about).
'end of' suggests the final letters.
The last letter of 'snack' is 'k'.
'sh'+'re'+'k'='SHREK'

(Another definition for shrek that I've seen is " film about ogre".)

I've seen this clue in The Independent.

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