Eggman, also known as Dr. Ivo Robotnik, is the longtime antagonist of Sega's Sonic the Hedgehog series, first appearing in the early 1990s as a brilliant but egotistical inventor bent on world domination. His exaggerated confidence and theatrical villainy made him a favourite for memes, edits and reaction videos, where a short announcement-style clip can instantly signal that a scheming villain has arrived. Because the character is so widely recognised across games, cartoons and films, the sound still works even for viewers who have never played a Sonic game, relying on pure character recognition rather than a specific scene.