Devastator

Executor could refer to:
 * Imperial Star Destroyer Devastator, A space-faring capital ship from the Star Wars film series.
 * Devastator, Combined form of the Constructicons from the Transformers animated series.
 * Devos, the Devastator, An armored comic character from the first Fantastic Four comic book series.
 * Gregori Larionov, A costumed villain from the ROM comic book series.
 * Kirov Petrovna, A Marvel Comics super villain.
 * World Devastator, A galactic siege weapon from the Star Wars Expanded Universe.