The name points to JoJo's Bizarre Adventure: Diamond is Unbreakable, the fourth part of Hirohiko Araki's long-running series, where Josuke Higashikata's Stand is called Crazy Diamond. Clips tied to that arc circulate widely on soundboards and in fan edits, where short, dramatic anime audio is reused to signal power, confidence or a sudden turning point. Because JoJo references are instantly recognised by anime fans, this kind of clip keeps working as shorthand for an over-the-top moment, even for viewers who have not watched the full series.