Kruncha Kruncha is a Ninjago minifigure released in summer of 2011 . He appears in , as one of the two tertiary antagonists of the pilot episodes and a minor antagonist for the rest of the seasons . He mostly arguing with Nuckal . He is the Skulkin General of Earth and currently the leader of the skeleton army . Description . He has a large white head and a gray helmet . He has red eyes , a grey belt , and red and grey armour . In Ninjago : Masters of Spinjitzu , he has a red belt and red armour . He has a gray monocle covering his right eye ; however , in the Ninjago TV show , he does not . Background . Second in command of the Skulkin Army , Kruncha is the hard - headed , strong skeleton General of Earth . He has seemed to be good at driving , and Samukai trusted him as his responsible 2nd - in - command , letting him drive and fire the grabber on the skull truck . Originally , he served under the command of Samukai , who was defeated by Lord Garmadon , whom took supreme control of the Underworld and the undead legions . Seeking the Four Weapons of Spinjitzu , he accompanies Samukai and Nuckal to Ninjago to search for the weapons , and eventually finds a map to the weapons , after bickering with Nuckal , his dimwitted companion . Later , Kruncha is seen helping the other skeletons mine for the Scythe of Quakes , as well as following the ninja to the locations of the Shurikens of Ice and Nunchucks of Lightning . The following night , he helped in the ambush of the ninja ' s camp and stole the weapons , but when Garmadon ' s plan to unite them at the Fire Temple failed , Samukai lead the Skulkin to the Underworld in a change of plans . At Garmadon ' s fortress , Kruncha and Nuckal guarded the entrance , but were trapped in a ferris wheel of bones when the ninja united to form the Tornado of Creation . After Samukai ' s defeat and Garmadon ' s betrayal to the army , Wyplash ( previous third - in - command ) lead the surviving skeletons , excluding Kruncha ( who now is the general of the skeleton army ) and Nuckal out to Ninjago to seek vengeance for their fallen king . Meanwhile , the two plotted an escape attempt using the Skull Truck to steal the Weapons of Spinjitzu , but the plan backfired and the generals were forced to return them . Now on the run , Kruncha and Nuckal met up with Wyplash and helped be to excavate the secret Underworld entrance in the Fire Temple to unleash more Skulkin . However , the plan was apprehended by Kai and Nya , who trapped Wyplash and the other skeletons ( excluding Kruncha and Nuckal ) within the Underworld , ending the threat of the Skulkin . Now helpless , Kruncha and Nuckal traveled to Darkley ' s Boarding School for Bad Boys and became substitute teachers , but were told by Cole to leave Ninjago and never return , or else . Again on the run , the two were spotted shortly in an unknown village , but were scared off by Sensei Wu , and also seen in the Blade Cup Talent Show booing the ninja ' s performance . However , they made a dramatic appearance when Garmadon re - banded the Skulkin army and lead them to battle against the Serpentine . The duo were seen fighting the snakes , ( Kruncha was , Nuckal seemed to be more of yelling and dancing ) encouraging the ninja to stop Pythor ' s plans . They were also in episode 13 , at the " take back Ninjago rally " , dancing to ' we want snakes to slither away ! ' In the episode Ninjaball Run , they competed with their Skull Truck . They performed well in the race , but they were provoked when they saw Lloyd and the ninja working together . They shot a skeleton hand , grabbing the Dragon and pulling Lloyd down , but didn ' t pay attention to the hand ' s chain , which wrapped the truck around a tree . They were last seen sissy - fighting with each other while a wheel of the Truck fell off . In The Invitation , he was seen fighting Kai at the Slither Pit . He was defeated easily by Kai and was later seen talking to Nuckal .