The label ジョジョ4 most naturally points to JoJo's Bizarre Adventure Part 4, Diamond Is Unbreakable, the manga arc later adapted as a TV anime in 2016. JoJo audio spreads widely online because the series is known for memorable poses, intense delivery, and highly remixable scenes. Fans often reuse Part 4 related clips in anime edits, power-up jokes, and reaction posts alongside other recognizable JoJo sounds like To be Continued and Giorno's Theme. That broader meme history keeps JoJo audio popular even when an upload does not name the exact scene.