in the 1930s this guy JOE PENNA did the burlesque route..his line was do you wanna buy a duck..crowds went nuts!..my how times change!Later of course Grumman did make a "DUCK" the J2F...It always fascinated me..like a flying banana..However after Pearl Harbor it was pushed into services..many an airman owed their live to this remarkable plane....can be had in our world..from "BAD DUCK or from "SWINGMAN"..Both freeware ..and First rate...QUACK QUACK QUACK!!