Shakespearean character instrumental in making a bloomer (5)

I believe the answer is:

viola

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

'shakespearean character' is the definition.
(I've seen this in another clue)

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

Can you help me to learn more?

(Other definitions for viola that I've seen before include "Tenor fiddle - plant" , "Alto of the violin family" , "Shakespeare heroine; instrument" , "Instrument slightly larger than violin and of lower pitch" , "Large violin" .)

I've seen this clue in The Irish Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.