Kermit the Frog

Kermit the Frog, often acknowledged as the leader of the Muppets, was the star and host of "The Muppet Show," appeared regularly on "Sesame Street" and served as the logo of The Jim Henson Company. Kermit's most well known catchphrase is "Hi-ho, Kermit the Frog here!" He has written three books: "For Every Child, A Better World," "One Frog Can Make a Difference" and "Before You Leap."

Kermit the Frog stopped by The Tonight Show on Monday, March 17, 2014, where he and Jimmy sang, "It's Not Easy Being Green" in the spirit of St. Patrick's Day.