Don Knotts was awesome. He did a string of movies with Tim Conway. "The Private Eyes", the Sherlock Holmes spoof, is absolutely my favorite.
Whenever I hear the name 'Don Knotts', I think of Dana Gould's routine, where he talks about prank phone calls.
::in a Don Knotts voice:: "I've been looking at you through the bedroom window."
"Is this Don Knotts?!?"
::Don Knotts voice:: "Everytime, they know it's me. They know it's me everytime."