Crossword Genius

Trademark of comics Jo and Russell? (5)

Ross

I believe the answer is:

brand

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

'trademark' is the definition.
(I've seen this before)

'comics jo and russell?' is the wordplay.
I cannot quite understand how this works, but
'and' could be 'n' (common abbreviation for 'and') and 'n' is present in the answer.
The remaining letters 'brad' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'of' is the link.

Can you help me to learn more?

(Other definitions for brand that I've seen before include "Label" , "Type of product, mark cattle" , "Comedian" , "Trademark - burning piece of wood" , "Stamp" .)

I've seen this clue in The Sun.
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