Pamela Fionna Adlon is an American actress, having voiced many characters in the past, most famously Bobby Hill from King of the Hill. She had worked with previous Dan Povenmire shows before, being the voice for Melanie and Biffany Van Stomm from Phineas and Ferb, as well as Brigette Murphy from Milo Murphy's Law. She is also the voice of Leah Stein-Torres (Libby's mother) on The Ghost and Molly McGee.
For Hamster & Gretel, she voices Nordle, the prodigious son of Professor Exclamation.