TheLegend27 began as a username spoken about in hushed tones in advertisements for the mobile strategy game Game of War Fire Age. In the ads other players treated the name as an unbeatable legend nobody could match, and the repetitive campaign made the line familiar far beyond the game itself. Players carried the joke to forums, Reddit and YouTube, using it for any mysteriously dominant opponent. The name became shorthand for gaming folklore, and the short audio clip survives as a quick way to invoke that legend.