» See also Filbert (disambiguation) Filburt Turtle and sometimes as Filburt . In the comic book his name is spelled Filbert. On Murray's website and in the episodes "Born to Spawn" his name is spelled as Filburt. Doug Lawrence provided Filburt's voice. Whenever Filburt feels uncomfortable or disturbed he's known to say, "I'm nauseous! I'm nauseous!". He also occasionally says, "Oh boy". He also popularized the phrase "Turn the page, wash your hands." Filburt becomes age 21 in the episode "Born… (More on Filburt)