Which movie is Chevy Chase best in?

After watching Spies like us again, I wondered what movie is he best in. Not what is the best movie he is in (Caddyshack hands down). What do you think? What did I miss? Oh yes, the second choice is Fletch, not Feltch, although I am sure that would be a good one....

I think his comedic timing and delivery in Christmas Vacation is pretty good. But mainly I chose this over Caddyshack because of the scene in which "Clark" is expecting a bonus but instead is enrolled in "The Jelly of the Month Club".

His minute and a half rant is hilarious.

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By far my favorite is Vacation, but I like the other ones as well. I also like Funny Farm, Fletch, Cops and Robersons, Three Amigos, Invisible Man and I even like Nothing But Trouble.

Fletch is my favourite Chevy Chase film.

We watch Christmas Vacation multiple times a year. Especially around Christmas of coarse...................