https://www.metv.com/stories/tim-conway-would-save-his-improvisations-for-the-live-taping-of-the-carol-burnett-show

Conway liked to keep his costars on their toes.

Bob Mackie was so good at creating costumes for The Carol Burnett Show, he didn't need to ask for approval (https://www.metv.com/stories/bob-mackie-was-so-good-at-creating-costumes-for-the-carol-burnett-show-he-didnt-need-to-ask-for-approval)

"He came in and was just adorable, and we hit it off and we hired him right on the spot."