Zeus has been the go to voice of thunder in stories for centuries, as the Greek god of the sky who hurls lightning from Mount Olympus. Online, creators borrow that instant recognition and use short thunder calling clips as a shorthand for overwhelming power, anger or a theatrical arrival. The Act 1 label suggests a staged opening moment, and editors treat it that way, saving it for first appearances and turning points. Its appeal is simple timing, a familiar myth, a booming call, then a crack everyone understands.