The Frog King, similar to the Frog Prince. A joke: A female scientist was walking along when a frog croaked up, “If you kiss me, I’ll be a handsome prince!” The female scientists looked closely and the little froggie repeated himself, “If you kiss me, I’ll be a handsome prince!!” The female scientist brought the frog close to her lips and the froggie yelled “kiss me!” The female scientist put the frog in her lab coat pocket. The froggie asked, “Why don’t you kiss me?” The female scientist said, “There are lots of handsome princes, but a talking frog? Now that’s worth studying.” Scan of 2 d images in the public domain believed to be free to use without restriction in the US.