Villain we roughed up with bros (6)

I believe the answer is:

bowser

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'villain' is the definition.
Both the answer and definition are singular nouns.
Perhaps there's an association between them I don't understand?

'we roughed up with bros' is the wordplay.
'roughed up with' indicates an anagram.
'we' mixed up with 'bros' can make 'BOWSER'.

Can you help me to learn more?

(Other definitions for bowser that I've seen before include "Tanker for refuelling aircraft" , "Fuel/water tanker" , "Fuel or water tanker" , "Fuelling tanker" , "Refuelling tanker - or webs (anag)" .)

I've seen this clue in The Independent.

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