The song describes a massive and citywide battle set in Tokyo started by Godzilla and Batman, involving dozens of pop-culture icons and ultimately lasting for a century.

In the early 2000s, Neil Cicierega popularized animutation, a form of flash animation that humorously depicts pop-culture images set to upbeat music.

[1] Steven Lerner, the owner of Albino Blacksheep, later stated that as the genre grew more popular it had begun to advance in effort, with creators drawing the characters rather than editing publicly available photos.

[2] Cicierega adapted to this development, publishing the song "The Ultimate Showdown" to Newgrounds on December 22, 2005,[3] with Shawn Vulliez credited for the video's animation under the name altffour.

Chuck Norris, presented as a godlike figure, descends from the sky to angelic tones, kicks Indiana Jones in the groin, and decapitates Batman with his thighs.