Gunther Goat Cheese's is the restaurant in Gimmelshtump, Drusselstein, where Heinz Doofenshmirtz threw his own surprise birthday party when he was 5 years old. ("Raging Bully") The mechanical animals inside for birthday songs are: Count Wolfgang (caped wolf playing kettle drums), Betty the She-Boar (pig playing violin) and Ratputin (rat playing concertina). Also present are the lice, Olga and Chicago Joe (on a stool onstage), as well as an employee wearing what is presumed to be a Gunther Goat Cheese's mascot costume (goat). The animals appear in the song Carpe Diem. ("Rollercoaster: The Musical!")
- Gunther Goat Cheese's is a parody of Chuck E. Cheese's.
- They probably had fairly good business because when Gunther the Goat saw Heinz Doofenshmirtz by himself he said, "Hello boys an-, oh. This is awkward."
- Wolfgang is a word in Rodney's name.