Tennessee Ernie Ford | Bert Jansch | Bert Williams | Ernie Royal | Ernie | Bert Newton | Ernie Kovacs | Bert | Bert Lahr | Bert Kaempfert | Ernie Eves | Ernie Ball | Bert Bell | Ernie Fletcher | Ernie Banks | Bert (Sesame Street) | Bert Karlsson | Bert Hinkler | Bert Firman | Underground Ernie | Ernie Harwell | Ernie Fields | Bert Campaneris | Ernie Vandeweghe | Ernie Pyle | Ernie Lombardi | Ernie Davis | Ernie Conwell | Bert Sutcliffe | Bert Parks |
The new characters include parodies of the Sesame Street characters Big Bird, who describes himself as a "big bird," and a self-described "grouch" named "Moody Green Garbage Creature", who resembles Oscar the Grouch, and butch and femme versions of Bert and Ernie, who try to protect Karina and Julie from Oscar.
She is famous for writing school pageants (e.g., Sesame Street Little Theater) for her friends, mostly Bert and Ernie, Herry, Grover, and Cookie Monster.
It is told that Jim Henson was so impressed by the performances of Haenen and Schippers, that they are the only Bert and Ernie in the world who are allowed to write their own material.