Shimi are the silverfish-like footsoldiers of the Megiddo and supporting antagonists in Kamen Rider Saber.
Kamen Rider Saber
Numerous Shimi appeared during the Megid attack that occurred 15 years prior to Touma becoming Saber.
In the present day, Shimi were used to assist the Kirigisu Megid in its endeavor open an Alter Ride Book in the middle of a city block. They battled Kamen Riders Saber and Blades when they showed up to deal with the Megid. All of them were eventually destroyed.
Kamen Rider Saber: The Phoenix Swordsman and the Book of Ruin
Shimi were used by Bacht/Kamen Rider Falchion as his footsoldiers.
Powers and Abilities
The Shimi all wield a sword-like weapon called a "Lot", which doubles as a gun.