Frog is a minor character that appears in Shrek. Appearances Shrek While Shrek and Fiona are falling in love, Shrek grabs the Frog and makes it a balloon for Fiona. Shrek and the frog-balloon. Retrieved from WikiShrek (shrek.wikia.com), the wiki all about Shrek. Categories: Incomplete infoboxes Characters Male Shrek Characters Living Characters Minor Characters Animals Frogs Unknown (presumably dead) Characters Community content is available under CC-BY-SA unless otherwise noted.