The title of this article is conjectural; an official name for the article's subject has not been found, so it has been given a fitting title by the editors. If an official name appears that is not from the English Super Mario Bros. Encyclopedia, it is requested that the article should be moved to the correct name.
Big Flies are enemies that appear in the Gnat Attackminigame of Mario Paint. They appear after some time of defeating regular flies and seem to be upgraded versions of the regular flies. They are the first enemies to attack the player, which they do by firing projectiles.