Perhaps Bob Odenkirk's biggest character's framed by cleaner (4)

I believe the answer is:

coif

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'perhaps bob' is the definition.
(I know that bob is a type of coif)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for coif that I've seen before include "Nun's cap" , "Cap worn by fundamentalist Mormon women: hairstyle" , "what can be made of lawn?" , "Headgear" , "Dress the hair" .)

I've seen this clue in The Independent.

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