He-Man and the Masters of the Universe first aired as an animated series in the 1980s, built around the heroic prince Adam transforming into the powerful He-Man to defend Eternia. Its opening music became closely associated with that transformation and with the show's bold, adventurous tone. As clips, soundboards, and reaction videos spread online, the short intro was lifted out of its original context and reused as a shorthand for strength, confidence, and dramatic arrival. It remains popular because the fanfare is instantly recognisable even to viewers who never watched the full series.