There was a Leslie Neilson movie, one of the Naked Gun movies, I think the 2nd one that had a side splitting parody of GHW Bush and Barbara Bush. Lt. Drebin caused problems at a state dinner.
Also, his appearances on the Simpsons were very fun.
https://www.youtube.com/watch?v=eRXN6ACvCoE
https://www.youtube.com/watch?v=TGdhRR6OeDw
https://www.youtube.com/watch?v=wy5iHU6drak