Have you seen the YouTube channel Ctrl Shift Face?

https://m.youtube.com/channel/UCKpH0CKltc73e4wh0_pgL3g/video...

Here’s a pretty well done one in which Bill Hader does impressions, during which his face is replaced with the one of the people he’s doing an impression of: https://m.youtube.com/watch?v=kjI-JaRWG7s