Marvin the Martian is the long-running Looney Tunes villain known for his calm voice, Roman-style helmet and schemes to destroy Earth, which makes his rare outburst of screaming especially funny. This particular scream comes from a flag gag in Looney Tunes Cartoons, the modern revival of the classic shorts, where a visual joke pushes the usually composed Martian over the edge. Clips like this spread through meme edits and soundboards because the contrast between his polite menace and sudden panic is instantly recognisable, even without any dialogue or context.