| Humphrey Boa-Gart|
|First Appearance||"Sideshow Bob Roberts"|
Humphrey Boa-Gart is a deceased snake buried at the Springfield Pet Cemetery.
After finding Edgar Neubauer's grave, Bart and Lisa learned that Mayor Sideshow Bob had stuffed his ballot with "votes" cast from deceased people and animals buried at the Springfield Cemetery and Springfield Pet Cemetery, respectively, among them Humphrey Boa-Gart.
- The name is an obvious pun on actor Humphrey Bogart.