Dareth Dareth is a Ninjago minifigure and the boastful owner of " Grand Sensei Dareth ' s Mojo Dojo " . He claims to know animal martial arts and to be the brown ninja . In episode 26 , Kai dubbed him an " official " member of the Ninja team . He is often portrayed as a clumsy and goofy character , helping people due to luck . He first appeared in the " " TV show , and later released as a minifigure in 5002144 Dareth vs . Nindroid and 70751 Temple of Airjitzu . Description . Dareth has smooth , glossy hair and a proud smile . He wears a light brown gi , that being the name for martial arts apparel . The left side of the gi is folded over the right , with the edges of the clothing lined with gold . He wears golden necklace with a star in the middle . His legs feature symmetrical dark brown and elaborate gold printing . Background . The Final Battle . Dareth , or " Grand Sensei Dareth " , bragged that he was the master of all " animal " fighting styles ( the tiger , penguin , python , and dragon ) He also claimed that he could call on the Ultra Dragon whenever he needed help . He was at one point asked by the ninja if they could use his dojo to train Lloyd Garmadon , the destined Green Ninja . Dareth agreed to let them if they were able to defeat him in a battle . Kai had Dareth flat on the ground within two maybe four seconds and they were then allowed to use his dojo . Sometime later , Dareth and the ninja witnessed Lloyd break twenty wooden planks along with the floor under them using an Earth Spinjitzu power . Dareth then claimed he could break fifty boards , having his students , Jeff and Phill , set them up , in an attempt to persuade the ninja into letting him join the group as " The Brown Ninja " . However , Dareth broke a total of zero boards and was laughed at by all the ninja as he clutched his arm . When Captain Soto and his pirate crew invaded Ninjago with The Black Bounty . Dareth attempted to attack the pirates as " The Brown Ninja , " only to be tied up in ropes and forced to " walk the plank " . When Dareth fell , he was rescued by Lloyd , who was riding the Ultra Dragon . He later asked the ninjas to forgive him for his boastful ways , admitting that he had had no training , that he had simply painted his belt and that his trophies were all fakes . In " Ninjaball Run " , his dojo was going to be demolished by a company called Darnagom Enterprises , which was used by Lord Garmadon attempting to stop the training of Lloyd , who would eventually have to fight him if he were allowed to reach his true potential . To save the dojo , the ninja participated in the Ninjaball Run , a race that offered enough prize money to save the dojo . Dareth was able to make an emotional speech during the race to have the crowd cheer for the ninja . In The Last Voyage , the ninja put him in charge of the people of Ninjago and declared him as the brown ninja . When asked about his element , Nya replied : " Hot air ? " , leaving him thinking that he had the power of controlling the wind . In The Ultimate Spinjitzu Master , Dareth was the only person left in Ninjago city who had not been turned evil by the Overlord and his Stone Army . When the Overlord morphed into his true form of a giant dragon , the Helmet of Shadows , that which controlled the Stone Army , fell off his head . Dareth found it and became the leader of the stone army . He commanded his new soldiers to help him attack the Overlord . After the Overlord ' s defeat , the ninja finally decided to make Dareth an " official " member of their team . Rebooted . In The Surge , Darreth was seen watching a " ju - jutzu dog show " in Sensei Wu ' s Youth Academy , until the TV ' s power drained out . This explains that Dareth might be a teacher at Sensei Wu ' s Youth Academy . In The Curse of the Golden Master he looks after the students because he ' s filling for the Ninja and Sensei Wu . He takes them to the aquarium to see the electro - cobrai exhibit . Later while Pythor is releasing the electro - cobrai some sharks also get out and Dareth uses his " abilities " to save the students . The Tournament of Elements . He returns in season four , with Nya reluctantly taking him along on her journey to Master Chen ' s island , where he provides some assistance to her due to his abilities as a " Master of Disguise expert . " Unfortunately , he manages to get himself caught by Chen ' s forces , but is later freed and joins the Ninja in their efforts against the reborn Anacondrai tribe . Possession . Dareth returns in season five in a few brief appearances . He appears as a blow - up doll when Nya turns on the autopilot on the " Bounty " . The doll is later popped during the fight with Morro . He makes a brief appearance a few episodes later . He is seen driving and flirting with a woman driving by . He later hits a cement mixer and get covered in cement due to Jay knocking an ink well onto his scroll in the Cloud Kingdom . Skybound . In season six Dareth becomes the Ninja ' s manager , but displays some chauvinistic attitudes with regards to the Ninja " boy band " adding a girl to the group , and puts Nya in segments teaching girls about cooking and makeup . Day of the Departed . In Day of the Departed he is now managing the Royal Blacksmiths for their Day of the Departed concert , only to be targeted by the revived General Kozu in search of revenge . However , he is able to defeat Kozu by finding the Helmet of Shadows and using it to take care of Kozu ' s Stone Warrior henchmen , who then defeat Kozu for him . Hands of Time . In The Hands of Time he " supervises " while Ronin helps Misako move various items into the Temple of Airjitzu , and ends up on the floor with Ronin standing on him after messing with Nya ' s Samurai X helmet just prior to a temporal disruption . He reappears in Scavengers where his trophies are stolen by the Vermillion , whom he encounters after going to Ronin ' s new shop to buy new ones . The two later alert the ninja of the activities of the snake warriors , and join them in a battle where Dareth goes into a rage after Ronin reminds him of the theft , only for Ronin to end up with a broken leg . In Secrets Discovered the new Samurai X briefly poses as Dareth to confuse Nya , but this deception fails when the samurai demonstrates a level of fighting ability far beyond Dareth . Ninjago . com subsequently depicted Dareth as the new curator of the Ninjago Museum of History following the revelation that Dr . Saunders was in fact Krux of the Time Twins .