Stone Army

 The Stone Army were minifigures released in 2013. They were enemies of the ninja. They are seemingly indestructible and took orders from Lord Garmadon, then Dareth.

Variants

LEGO Ninjago: Masters of Spinjitzu

Names: Other than General Kozu (above), none have names.
Variations: General Kozu, Stone Scout, Stone Soldier, Stone Swordsman.
Years: 2013

Appearances:
70500 Kai's Fire Robot
70501 Samurai Bike
70502 Cole's Power Drill
70503 Golden Dragon
70504 Garmatron
70505 Temple of Light
LEGO Ninjago: Masters of Spinjitzu