And if we want to discuss lame Emperors, I think Ian's in ROTS takes the cake. He was quite good at playing the politician Palpatine, but so over the top once he became the halloween masked buffoon.
George had some 20 years to have Palpatine's visage slowly become twisted by the dark side into what appears on screen in ROTJ or ESB even, yet he decided he'd have some make up whacked on and have him gnarly and decrepit in an instant.
Which do you think is a better looking newly declared Emperor?
Me thinks that what was originally planned. Look how decidedly younger ROTS Palpatine looks compared to AOTC Palpatine.
Ian looks freakin' old in AOTC with his added Mr Burns liver spots. Maybe in the the SE PT ILM can CG Ian so he doesn't look so ancient and more in keeping with his appearence in ROTS.
Pictures credited to google images.