The Scorpion Army is led by Scorpion Demon.
Episode 03: Mukalder
Episode 05: Guraguran
Episode 07: Roados
Episode 09: Beladon
Episode 11: Komanger
Episode 05: Boss Ninja 1
Under Scorpion Demon are Boss Ninja who lead the Scorpion Army's ninja corps:
Episode 08: Boss Ninja 3
Episode 10: Boss Ninja 5
Episodes 1-12: Scorpion Army Ninja
Photos provided by David McRobie and Walter O.
Monster names provided by Walter O.