Kermit the Frog is puppeteer Jim Henson's most famous Muppet creation, first introduced in 1955. He is the main protagonist of many Muppet projects, most notably as the host of The Muppet Show, and has appeared in various sketches on Sesame Street, in commercials and in public service announcements over the years. Kermit was performed by Henson until his death in 1990. Since then, Kermit has been performed by Steve Whitmire.
He makes cameo appearances in most episode that feature the "Anime Mall" where he works as the Security Guard for the Mall Coporation Police Department as "Rent a Cop Kermit".