Whoop-Dee-Doo! is a deliberately ramshackle musical revue subtitled "a postage stamp extravaganza". It is named after the 1903 Broadway revue Whoop-Dee-Doo. It was conceived, created and developed by Charles Catanese, Howard Crabtree, Dick Gallagher, Phillip George, Peter Morris and Mark Waldrop. Songs and sketches by Dick Gallagher, Peter Morris and Mark Waldrop. Additional material by Brad Ellis, Jack Feldman, David Rambo, Bruce Sussman and Eric Schorr.