He was hilarious in Caddy Shack.
“...after she confronted him over tweaking the script...”
IIRC, Bill was to have just a bit part in Caddyshack. But he adlibbed all of his lines and they just kept going with it.
He was awesome in “What About Bob”. A classic comedy.
#5 He was trying to kill golfers.
Caddyshack _ I Want You To Kill Every Gopher On The Course
https://www.youtube.com/watch?v=g79mLV9b30c