Scooby-Doo is a popular cartoon character created by Hanna-Barbera. He's a Great Dane with a cowardly personality, often finding himself in spooky situations. Despite his fear, Scooby-Doo is a loyal companion to his friends, helping them solve mysteries. His catchphrase 'Ruh-roh' has become iconic in popular culture. With his lovable and goofy nature, Scooby-Doo has captured the hearts of audiences worldwide. He's a cultural icon, appearing in various TV shows, movies, and merchandise. Scooby-Doo's enduring popularity is a testament to the character's timeless appeal.