How many movies have Anatoli Papanov and Vyacheslav Kotyonochkin collaborated on?

They have worked on 21 movies together! Their first movie together was Ну, погоди! Выпуск 1 (1969) and was their highest rated movie together. They have not worked together since Ну, погоди! Выпуск 18 (1994). They are most known for their animation films together.