Rockman is the Japanese name for Capcom's Mega Man, and this spawn sound appears in the NES entries Rockman 3 through 6, released between 1990 and 1993. The same short beam-in effect plays when the hero teleports into a stage or when enemies spawn in, and it has become a staple of gaming soundboards because the series never changed it across those sequels. Retro game creators and meme editors use it as shorthand for anything appearing, teleporting or respawning, keeping a tiny piece of eight-bit history alive in modern edits.