Crossword Genius

Surname of the brothers at the centre of John Sullivan's best-known sitcom (7)

Ross

I believe the answer is:

trotter

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(Other definitions for trotter that I've seen before include "bit of a swine" , "Food for man" , "Pig's paw" , "bit of a pig" , "A slow runner or a pig's foot" .)

I've seen this clue in The Times.
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