Jill is a long-haired, female frog, one of a trio of Mad Ave Advertising executives who work on the Ocean Breeze Soap account in The Muppets Take Manhattan. Jill and her colleagues,Bill and Gil, recruit the amnesiac Kermit to work with them after he comes up with the brilliant slogan, "Ocean Breeze Soap will get you clean." They also have a habit of using words that rhyme with their names.

Jill is a non-speaking of The Jim Henson Hour episode Monster Telethon, she also appeared as one of the members for the All-Amphibian Band for Kermit the Frog and Jimmy Buffet's duet of "Caribbean Amphibian" from Elmopalooza, Muppets from Space, Muppets Go Global during the wedding scene, The Muppets 3 and Muppets Visit Italy, France, and Scotland.

 Kathryn Mullen