From Great Big Story:
We are about to take you on an audio odyssey unlike any other. It’s kind of like ASMR for people who find the sounds of squealing pigs, angry squirrels and raging dinosaurs soothing. And it’s all from the mouth of Dee Bradley Baker, one of Hollywood’s top voice actors. Baker specializes in creatures and animals, and you know his voice. You’ve heard him as Perry the Platypus on “Phineas and Ferb,” Klaus the Fish on “American Dad” and Daffy Duck in “Space Jam.” A vocal genius, Baker invites us into his recording studio, where he improvises a series of sounds.
For those who want to learn more (and hear more!) about the voice actor, here’s another interesting video: