What are some characters that are hard to imagine with anyone other than the actor/actress that played the role?-UNR

https://ift.tt/eA8V8J

I was wondering if anyone could name me astonishing performances that make it hard to imagine anyone else other than the actual actor or actress that played the role? For example, something like Norman Reedus who played Daryl in AMC's The Walking Dead?

https://ift.tt/3k3RYV0 Tuned For Everything Norman We Don't Mess Around when it comes to things pertaining to the man.