Scooby-Doo originated in the Hanna-Barbera animated series Scooby-Doo, Where Are You!, which premiered in 1969. The Great Dane’s distinctive speech and signature name-based catchphrase became enduring parts of the character across later television series, films, and games. Online, short versions of the line circulate as reaction audio and nostalgic meme material, especially in posts about mysteries, disguises, haunted settings, or dogs behaving dramatically. Its continued appeal comes from instant character recognition and the franchise’s long presence in popular culture.