Katana
Katana, also referred to as just Samurai Swords were a type of sword used by the Samurai and Ninja of Japan.
History
Equestria Girls
Micro Chips wanted Applejack to cut him out oof a sticky situation with a "Samurai Sword". Surprisingly, the farmer did not own one.[1]
Synegery
Snake Eyes wielded a Katana.[2]