Skeleton Army

 The Skeleton Army is an army of skeletons (obviously) who lived in the Underworld and took orders from Lord Garmadon.  Some of them are serious fighters, but many aren't very bright.

Skeletons

LEGO Ninjago: Masters of Spinjitzu

Other

Names:  Frakjaw, Krazi, Bonezai, Chopov,  Samukai, Nuckal, Wyplash, Kruncha
Variations:  Frakjaw, Krazi, Bonezai, Chopov,  Samukai, Nuckal, Wyplash, Kruncha, microfigures, Skeleton Dummy
Years:  2011
Element: None

Appearances:
2114 Chopov
2115 Bonezai
2116 Krazi
2257 Spinjitzu Starter Set
2520 Ninjago Battle Arena
2258 Ninja Ambush
2259 Skull Motorbike
2263 Turbo Shredder
2260 Ice Dragon Attack
2504 Spinjitzu Dojo
2505 Garmadon's Dark Fortress
2506 Skeleton Monster Truck
2507 Fire Temple
2508 Blacksmith
2509 Earth Dragon Defence
2518 Nuckal's ATV
2519 Skeleton Bowling
2521 Lightning Dragon Battle
30081 Skeleton Chopper
2254 Mountain Shrine
2173 Nuckal
2174 Kruncha
2175 Wyplash
3856 Ninjago
LEGO Battles: Ninjago
LEGO Universe
LEGO Ninjago: Masters of Spinjitzu