This year, fan-favorite Muppet, Rowlf, who was originally performed by Henson, took to social media to sing “Happy Birthday” to his creator. This caused many emotional reactions from fans. “ ...

Along the base of the cake, a message proclaimed, “Happy birthday Isaiah,” along with a “MOST WANTED” stamp — a reference to the birthday boy’s favorite movie at the moment ...

(Soundbite from "The Muppet Show") Mr. HENSON ... the frog who showed us the best of human nature. Happy birthday, Kermit. (Soundbite of music) Mr. HENSON: (As Kermit) Why aren't there so ...