Marcus the worm is known online mainly through short meme clips and soundboard pages, where this ba ba ba boom chant circulates as a small, shareable joke rather than as part of a well-known show or film. Its appeal comes from repetition and timing: the chant is easy to remember, easy to quote and easy to drop into edits, reaction videos and gaming moments. Because the sound is short and instantly recognisable to people who have seen the meme, it keeps spreading through reposts and remixes, especially among creators looking for a light, absurd punchline.