Can you name one actor or actress who portrayed a character so perfectly that you resist the very idea of someone else playing the part?

I try to remain open minded but i must admit that i am resistant sometimes to “new” actors taking on iconic characters.
Can you name one actor or actress who portrayed a character so perfectly that you resist the very idea of someone else playing the part?
Can you name one actor or actress who portrayed a character so perfectly that you resist the very idea of someone else playing the part?
Can you name one actor or actress who portrayed a character so perfectly that you resist the very idea of someone else playing the part?
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