My guess is: 42nd Street - (tapping feet)Million Dollar Quartet - (See you later alligator - and he's waving - sort of)Side Show (twin arms)The BodyGuard (The lady is running towards a yellow "U"The Producers (Milk maid as Max talks about in the show)
I would mostly use primary colors - red, yellow, blue... If you want an added touch, you should outline all clothing with black bias tape - or for an easier approach, outline everything using a thick sharpie marker. This will give it that "drawn" or cartoon look.