Heihachi, the main antagonist serves as the final boss for the game.

Magneto serves as the final boss of the game.

He also serves as the final boss of the game.

Ganon (or Ganondorf, as he is more commonly known in his human form) is the central villain in the series and serves as the final boss of most games.

Karai also serves as the second boss in the TMNT game for the Game Boy Advance.

A giant praying mantis serves as the boss for this stage.

In almost every Parodius game, an octopus serves as the final boss.

Brainiac served as the final boss in the Superman arcade game published by Taito Corporation in 1988.

Being the antihero he is, Chopin serves as the final boss of the game, claiming that they were nothing but the imagination that he created.

He also serves as the final boss of the Decepticon campaign.