Harmy said:
Actually, I think that the original ESB emperor looks much closer to the ROTJ one than the bloated ROTS Darth Shittious they used in the ESB SE, even though it's the same actor. Plus of course, the new dialog is awful. But Adywan was able to create something that has the best of both worlds:
https://www.youtube.com/watch?v=h0q0CF5Y1cI&ab_channel=Adywanrevisited
A vast improvement.