Twisted killer bent on being Peter's fairy friend (6,4)

I believe the answer is:

tinker bell

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'peter's fairy friend' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'twisted killer bent on' is the wordplay.
'twisted' is an anagram indicator.
'on' says to put letters next to each other.
'killer'+'bent'='killerbent'
'killerbent' anagrammed gives 'TINKER BELL'.

'being' is the link.

Can you help me to learn more?

(Another definition for tinker bell that I've seen is " Fairy in Peter Pan".)

I've seen this clue in The Globe and Mail.

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