These are some of the funniest comedians doing some of their best impersonations. For this list, we'll be focusing on performers who are known for their stand-up, rather than just comedic actors, and leaving out impressions done solely as part of film performances or fictional television shows.

Looking back on four decades of “Saturday Night Live” impersonations, it's cool to see how many ways a celebrity impression can be hilarious, provocative, or just plain effective.

For this list, WatchMojo UK counts down the finest, most memorable and most convincing celebrity impressions... done by other celebrities! Whether it's Benedict Cumberbatch as Alan Rickman, Tom...

25 Best 'SNL' Celebrity Impressions Ever Looking back on four decades of " Saturday Night Live " impersonations, it's cool to see how many ways a celebrity impression can be hilarious, provocative, or just plain effective.

Through the decades, Saturday Night Live (SNL) has always had a talented impersonator or two among its cast members. Sometimes, the person only does one or two particular impressions really well. But for others, they can impersonate multiple celebrities from past and present with impressive results.

1. Kevin Spacey (Actor’s Studio Interview) “He has the gift.”. And in an interview with James Lipton on Inside the Actors Studio, actor Kevin Spacey makes good use of that gift by performing...

These are some of the funniest comedians doing some of their best impersonations. For this list, we’ll be focusing on performers who are known for their stan...

Talk about a rubber faced comedian! For this list, we'll be looking at the comic mastermind's most hilarious and uncanny impersonations of anyone and everyone, from legendary singers, to Hollywood actors, to TV personalities, and more.