Scrappy Cornelius (Dappy) Doo (also known as Scrappy-Doo or Scrappy for short) is a character in the Scooby-Doo franchise. Despite his small size, he has a very over-confident personality and tries his best to stop bad guys. His catchphrases are "Da-da-da-da-da-da! Puppy Power!" and "Scrappy-Dappy-Doo!", in the first live-action film of Scooby-Doo an evil clone of Scrappy-Doo created by Bowser Koopa, named Scrappy-Two.
- SPOILER ALERT: In the climax of Sonic the Hedgehog Meets Scooby-Doo, when the evil "Scrappy-Doo" reveals himself, the good Scrappy-Doo comes in out of nowhere with Seto Kaiba to help the Sonic Heroes against Scrappy-Rex and the villains.