Enthusiasts' purchase includes news of cartoon character (4,5)

I believe the answer is:

bugs bunny

I'm a little stuck... Click here to teach me more about this clue!

'cartoon character' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'enthusiasts' purchase includes news' is the wordplay.
'enthusiasts'' becomes 'bugs' (I can't justify this - if you can you should give a lot more credence to this answer).
'purchase' becomes 'buy' (buy is a kind of purchase).
'includes' indicates putting letters inside.
'news' becomes 'nn' (the abbreviation for 'new' written twice).
'buy' placed around 'nn' is 'bunny'.
'bugs'+'bunny'='BUGS BUNNY'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for bugs bunny that I've seen before include "He loves carrots" , "Warner Bros animated star" , "One questioning doc" .)

I've seen this clue in The Guardian.

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