You know that weird yodel-scream Goofy makes when he falls off a cliff? Yeee-HOO-hoo-hooey! Well, turns out it’s basically the Wilhelm Scream of cartoons. Youtube channel Mixed Signals dug into the history of the “Goofy Holler,” tracing it from Alpine roots to Disney stardom, then off on its own career, popping up in movies and shows where Goofy himself is nowhere in sight. Check it out!