- First recorded: 1950s
- Creator: N/A
- Owner: Hanna-Barbera (1957-1993), Sound Ideas (1993-present)
- Origin: United States
- Year debut: December 21, 1957
- First heard: "Hocus Pocus Focus" (a The Ruff and Reddy Show episode)
- Area served: Worldwide
It is mainly used for when somebody scratches their head.
Its earliest known usage was in The Ruff and Reddy Show episode "Hocus Pocus Focus", released on December 21, 1957, and later would find its way into other Hanna-Barbera shows as well, like The Huckleberry Hound Show, The Quick Draw McGraw Show, The Flintstones, The Jetsons, and others. It would also make its way to other studios like Disney, Warner Bros. and Paramount Pictures. Its' first appearance without Hanna-Barbera was in Heathcliff, debuted in 1984. Its' first movie appearance was in Beauty and the Beast, released on November 22, 1991. It's still often used in modern media today.
- Bert and Ernie's Great Adventures (Heard once in "Flower Shop".)
- Block 13
- Brain Stew
- Droopy, Master Detective (Heard once in "The Deep Space Chase".)
- The Fairly OddParents (Heard once in "Class Clown".)
- The Flintstones (Heard once in "The Flintstone Flyer" and "The Split Personality".)
- Gadget Boy & Heather
- Harvey Girls Forever!
- The Huckleberry Hound Show
- The Jetsons
- Johnny Bravo (Heard in the "Mr. Monkeyman" pilot.)
- NASA Connect
- The New Adventures of Winnie the Pooh
- The New Scooby-Doo Movies
- The Quick Draw McGraw Show
- Rolie Polie Olie (Heard once in "Bubble Trouble".)
- Rubbadubbers (Heard briefly in "Tubb's Cake Mistake"; used for wheels squeaking.)
- The Ruff and Reddy Show (Heard once in "Hocus Pocus Focus".)
- Sabrina: The Animated Series (Heard once in "Absence of Malissa".)
- Scooby-Doo, Where Are You!
- The Tom and Jerry Show
- Top Cat
- The Yogi Bear Show
- Wander Over Yonder
- What a Cartoon!
- What About Mimi?
- Beauty and the Beast (1991)
- The Haunted Pumpkin of Sleepy Hollow (2002)
- Ice Age (2002)
- The Lion King 1½ (2004)
- Muppets from Space (1999) (Heard once during "Brick House".)
- Rockin' with Judy Jetson (1988)
- The Best Pals Hand Show
- Happy Easter, Beanie Babies! (2018)
- Treelo and Vaco
- Webkinz Valentine's Day (2016)