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You say Karlof not smart?”
“I'd say Karlof is pretty smart not to start something he can't finish.”
“Oopsy. Guess Karlof not smart.”
— Karlof, Lloyd and Kai in "The Invitation"

Karlof is the current Elemental Master of Metal and a contestant in the Tournament of Elements. A brutish and often arrogant man, Karlof thought the Tournament would be entertaining, but quickly started a rivalry with Kai, who ultimately defeated him during the first round. He was then forced to work in Chen's Noodle Factory, where he befriended Cole. Together, they built a Roto Jet and successfully escaped from the factory. Karlof and the other Elemental Masters sabotaged Chen's plans to hold all the elements for himself but failed to prevent his followers from becoming fake Anacondrai.

The Elemental Masters united and faced Chen's army at the Corridor of Elders. Despite their best efforts, they were overpowered by their adversaries until Garmadon sacrificed himself to curse Chen's army. Months later, Nadakhan imprisoned Karlof and the other Elemental Masters in the Djinn Blade. After Jay made his final wish, recent events were erased and he was freed. Not long after, Karlof was captured by the Vermillion and forced to help construct a machine for their masters. Eventually, he was freed from captivity by the Ninja.

After the supposed demise of the original Ninja, Lloyd recruited Karlof and many others into a new team in a bid to resist Lord Garmadon's oppressive rule.


Karlof was born as a descendant of the Elemental Master of Metal. While refining his craft in his homeland of Metalonia, he worked as an aeronautical engineer responsible for constructing Roto Jets. Eventually, he received an invitation to Master Chen's Tournament of Elements.

The Tournament of Elements

The Invitation

Karlof was among the people with elemental powers aboard the ship that brought them to Chen's Island. While on the ship, the Ninja passed him training with a punching bag. He was later seen trying to fight a reluctant Skylor until Kai came over, and a fight between him and Karlof ensued. Just as Karlof was about to finish the fight, Clouse called him off.

Only One Can Remain

When the ship arrived at Chen's Island, Karlof pushed Kai out of the way, nearly starting another fight. The Master of Metal was later present as Chen explained how the Tournament works. When he asked what he would win, Chen replied that if he moves on to where he wins every match, he will get the best fortunes. Karlof was then seen fighting Kai for a Jadeblade, and he came out victorious. Just as he was about to go put it on the statue, Kai unscrewed the metal fist holding the Jadeblade and stole the weapon. Incandescent Karlof furiously proclaimed that Kai cheated as the Red Ninja fled with the Jadeblade.


Karlof captured by the anacondrai cultists

Because of this, Karlof admitted that he didn't want to come to the Tournament. Chen said that he was "sad" to hear that the brute did not enjoy his stay before dropping him through a trapdoor, immediately making Kai feel somewhat guilty for his actions. Karlof was later brought to an Anacondrai warrior ceremony, as Chen explained that "only one could remain." Chen then drained Karlof of his element as Zugu and Eyezor held him there, causing Karlof to be weakened for a second only to find his powers stolen and collapse.

Karlof's element is stolen

Karlof was distraught at losing his powers before Chen stated he would let him go as the former meekly asked "Really?" However, he was stunned when Chen instructed his followers to take him to the Factory, and the Cultists dragged a screaming Karlof away, into the darkness.


When recruiting Neuro to help, the latter refused until Lloyd told him to read his mind and the latter saw Karlof having his element taken away and decided to join after he saw Chen's true plans.

Ninja Roll

After being sent to work in the Noodle Factory, Karlof is shown to have given up hope of escape and refuses Cole's proposal for help, instead of trying to get him to work and tells him to "make noodles, not trouble." When Cole catches sight of Zane in a prison cell, Karlof pretends to be tying his shoe to momentarily distract Zugu and prevent Cole from being caught.

Spy for a Spy

Surprised that Cole is in a good mood because of finding Zane, Karlof begins to wish he had friends or allies that would help him. As Cole explained he would try to free Zane and escape the first chance he got, Karlof had him promise to not forget him as Cole hurriedly made that promise. When Cole made his move, everyone cheered him on.

Later, upon hearing that the other Masters would pay for his actions and remembering his promise to Karlof, Cole decided to stay behind and free the captives while Zane leaves the Island. Despite being imprisoned for so long, Zane chose to stay as well to help the others escape from Chen's grasp.


Karlof was working in the factory when Zugu decided to put it on lockdown to search for Cole. When all the guards were gone, Karlof signaled to the Master of Earth and Ice to come out of hiding from a barrel. He and the other imprisoned fighters then gathered around Zane who proceeded to explain his plan to escaped through the sewer pipes. Karlof immediately objection to the plan due to how unsavory the smell of the sewer would be but they were interrupted by the arrival of Dareth. Karlof reminded Cole that the pipes would only hold their combined weight and thus the plan wouldn't work due to the Brown Ninja's arrival.

While the masters were brainstorming plans, Karlof brought up that he used to work on Roto Jets, but his idea was quickly dismissed by Cole as they were without a jet and were also underground. Zane, however, approved the idea and sent everyone to work finding suitable parts to build one while he and Karlof drew up the blueprints.

The Forgotten Element

Karlof began working on the roto-jet, disguising it as a noodle machine to avoid suspicion. Soon, more eliminated Masters join them, among them being Jay, who reunited with Cole and Zane. After Cole told Jay of the plan, the Master of Lighting dropped his previous attitude of being positive to question the sense of the plan as Karlof asked what happened to positive thinking. Karlof continued working, explaining to an impatient Zugu, who needed noodles for the ceremony, that it still needed to be fixed as the Cultist got annoyed and pushed him aside only to find it wasn't a noodle machine, but a jet.

Karlof laughed stating that was needed to be fixed before having Cole operate it and blast the guards and escape the factory. Karlof rode on top of the jet to fix any malfunctions while Cole reiterated that was why people don't build jets underground. Karlof helped the Masters push the jet through the tunnels as they went on to save Nya and Garmadon from Clouse's pet Anacondrai Serpent. They fired a barrage of missiles to cause debris to fall on top of the beast killing it once and for all. Cole soon asked Karlof why the jet wasn't off the ground as Karlof stated some things needed to be fixed and told Cole that he would get it in the air. Karlof noted it would be possible because of positive thinking, which was joined along with the other Masters.

Very soon, Karlof made good on his word as the jet manage to fly into Chen's ceremony hall, disrupting the spell. The Elemental Masters fought against Chen's followers long enough for Kai to destroy the Staff, returning the Elemental Powers to their respective masters. With his power restored, Karlof stated the Cultists had no chance as he coated himself in metal to fight them. The Masters defeated the Cultists but Chen and select followers manage to escape. With Chen in hiding, the Masters seize control of the island while awaiting the villain's next move. Amid the celebration, Karlof laughed along with the other Masters as Zane turns on his funny switch.

The Day of the Dragon

Karlof worked on repairing the ElectroMech when he and the Ninja learned from Griffin Turner of Chen using Skylor to complete the spell from. He told an amazed Griffin Turner he wished he had his own Dragon after seeing Lloyd fly off on his Dragon.

Karlof later rounded up a Zugu and Eyezor while asking Cole if there was still no sign of Chen and he was told the villain escaped. Cole then asked if Zane returned but he stated he hadn't seen him before he witnessed Garmadon transform into Anacondrai as the latter noted anyone with a tattoo would be transformed as well which meant the same for the Cultists.

Karlof took part in fighting the Anacondrai but the Elemental Masters were gradually overwhelmed forcing them to retreat to the palace. The Master would witness Chen and his army leaving the island to conquer Ninjago while leaving them stranded.

Karlof later witnesses Zane arriving on a Titanium Dragon noting he unleashed a Dragon as well. He listened as Zane stated his fears are what prevented him from summoning the Dragon as Kai and Skylor arrive on an Elemental Fire Dragon supporting Zane's theory.


Karlof on his Elemental Dragon

His wish of summoning a Dragon came true after he faced his fear in hopes to defeat Chen and his army, making him very happy. He then left with his allies to go after Chen's army.

The Greatest Fear of All

He returned to Ninjago City with his allies only to find that Chen had yet to invade and at Lloyd's command they left to protect the people.


The Elemental Masters prepare to confront Chen

Very soon under Shade's orders, he went after a noodle truck: like everyone else, he realized it was a trick by Chen and ended up losing his dragon out of fear being left stranded after seeing the truck was empty. This allowed Chen and his army to invade without a problem.

The Corridor of Elders

Karlof eventually received a message from Neuro and regrouped with the other Masters at the Samurai X Cave being one of the last to arrive with Kai, Jay, Chamille, and Mr. Pale. There, Wu explained that their only chance to stop Chen's army would be to face them at the Corridor of Elders.


Fighting the Anacondrai imposters

Karlof fought alongside the Ninja in the ensuing battle and watched as the spirits of the Anacondrai Generals banished Chen and his army to the Cursed Realm.

Karlof hugging Jay and Kai

Afterward, he was with his allies as Cole thanked the Masters for their help after they achieved victory, the Master of Metal hugged Jay and Kay as he noted that it was better than fighting against them.

Soon they parted ways but not without promising future aid when needed. He later led the clean up in the Corridor.


The Way Back

At some point, he was captured by Nadakhan. After Jay made his final wish he was freed with no memory of the events of the Skybound.

In-Between Season 7

At some point after the conflicts with the ghosts, Karlof retired from being a fighter before he was captured by the Vermillion and the Hands of Time. He was cuffed in Vengestone to help build the Iron Doom.

The Hands of Time

Pause and Effect

He is in the workshop building. When Jay and Cole break-in, he quickly hugs Jay happy to see him as the latter struggles to free himself of Karlof's tight grip. He is questioned by Cole as to why he was there and he explained how ended up being captured and forced to work for the Hands of Time. He continued his work until he was freed by the Ninja.



Karlof arrives and helps Lloyd, Nya, Misako, Dareth, and P.I.X.A.L. from the Sons of Garmadon. He sends Mr. E flying back in a single punch, saving Dareth.

Karlof even takes down Killow, who is bigger than him. He then escapes with the other members of The Resistance with the help of Skylor.

Iron & Stone

When the Resistance made it back to the Garbage Depot, Nya said they could use the metal to build armor and machines, to which he gets excited about.

Radio Free Ninjago

The Resistance watched as Lloyd lead Dareth in a fight against Karlof. When Karlof won, Lloyd told them to make a plan.

He later watches Lloyd's speech.

How to Build a Dragon

The Resistance celebrated Lloyd's speech. They started planning on who else they could recruit to help them.

The Gilded Path

When the Sons of Garmadon attacked the Garbage Depot, the Resistance fought them. They were eventually taken to Kryptarium Prison.

Two Lies, One Truth

Inside his cell, Karlof passed the time by doing push-ups.

Green Destiny


Karlof breaks free with Ronin and Griffin Turner

Karlof is in his cell before he overhears the guards saying that the Ninja have returned. Karlof is happy to learn this, and along with Griffin and Ronin, he broke them out of their cells. Karlof took part in the escape of the prison.

Karlof later made it back to Ninjago where he joined in defeating the Colossus with the chains along with the Ninja and their other allies.

March of the Oni


At the end of the episode, Karlof can be seen celebrating with the Ninja in the Monastery of Spinjitzu.

In the Tournament App (non-canon)

Karlof is a playable character in LEGO Ninjago: Tournament. He can be purchased for 1,000,000 studs. His special power is Boost, making him completely metal. He is also an unplayable boss and has an extra power of creating tremors in the ground, which can deal with at least two hearts of damage.

Weapons and Abilities

Karlof wields a pair of metal fists that greatly enhance his punching power. They can even take down an Oni powered Mr. E.

Karlof had the power to turn his body into hard metal before losing it to Master Chen. Even without this power, he appears extremely durable—he is completely unharmed when Kai throws Fire straight at him. He has fought Kai, a skilled fighter and Ninja twice emerging victorious from both conflicts without so much as a scratch on his person. He seems to have a background in mechanics and engineering, which is seen in his ability to craft a roto jet out of spare noodle factory parts. This showcases his advanced intellect despite his broken speech patterns and seemingly ignorant personality. He is also very enduring, being able to fight head-on for an extended time period without tiring, displaying his extreme stamina. He regains his stolen power when Kai destroyed Chen's Staff.



LEGO Ninjago: Masters of Spinjitzu

Season 4: The Tournament of Elements

Season 7: The Hands of Time

Ninjago: Decoded

Season 9: Hunted

Season 10: March of the Oni

Video Games


For Karlof's relationships, click here.


  • When Karlof uses his elemental power, he grows slightly in size, and also seems to turn into metal, with his clothing, helmet, and skin turning into a silver color.
  • He is the first character to only speak in third-person, the others being Ghoultar, Unagami (who spoke in the third person only two times), Korgran and Murt.
  • Scooter and Okino use an updated version of his headpiece with an alternate, angry, expression.
  • Karlof has very poor vocabulary and speaks in the third person, due to being unfamiliar with the common language.
  • He and Kai were somewhat rivals at the beginning of Season 4, yet at the end of "The Corridor of Elders," Karlof is seen hugging Jay and Kai.
  • Karlof was the first person of many things:
    • The first person to lose in the tournament because he was not able to obtain a Jadeblade.
      • Though, technically, that spot belongs to Kai, who cheated to gain the Jadeblade Karlof had won in fair combat.
    • The first Elemental Master to be antagonistic.
    • The first person to single-handedly take down Killow as all times before him was a group effort.
    • The first character to have a Samurai X-style helmet with nothing on the clip on the forehead.
  • His former home was in Metalonia, just like Korgran and Korgran's Father. His job there was as a Roto Jet Mechanic. That skill came in handy when Cole, Zane, and Karlof planned to escape the Noodle Factory as Zane made a blueprint for Karlof to build the Roto Jet.
    • His metalworking skills are the reason he was captured in the seventh season.
  • In LEGO Dimensions, Karlof, in his metal form, can shoot his gauntlets at the player, recall them, and create tremors by punching the ground.
  • Karlof appears as an unlockable character in The LEGO Ninjago Movie Videogame. He can be unlocked by achieving bronze medal status or higher in "The Deadly Arena" training dojo, which requires the player to accumulate at least 60,000 studs.
  • He is an unlockable character in LEGO Ninjago: Shadow of Ronin.
  • He is one of the only new Elemental Masters to appear physically in a LEGO Ninjago set, with the others being Griffin Turner and Skylor, although Tox and Mr. Pale do appear in the Ultra Agents sets, Shade and Ash are available in a battle pack, and Neuro is in a Bricktober set.
  • His metal form makes him seemingly indestructible.
  • Karlof is very proud of his homeland of Metalonia.
  • Karlof's character and element are similar to the X-Men character, Colossus.
  • Although Karlof's helmet has a clip on the forehead on the sets, it is absent in the show.
  • Karlof is somewhat similar to Gajeel Redfox, a character in the manga/anime Fairy Tail.
    • Both started out as antagonists but later in the story, they become heroes and allies to the main protagonists.
    • They are both associated with metal (Karlof is the Elemental Master of Metal, and Gajeel is the Iron Dragon Slayer), and use their powers in the same main way: coating themselves in metal to improve their defense.
    • They share a rivalry with a hot-headed, pyrokinetic protagonist (Karlof is the main enemy of Kai, while Gajeel, even after his turn to the side of good, has a mutual rival in Natsu Dragneel, the Fire Dragon Slayer).


In LEGO Ninjago: Masters of Spinjitzu



Master Wu · Lloyd · Kai · Jay · Cole · Zane · Nya
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Former Members: Master Garmadon


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General Vex
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Red Visors: Red 27 · Red 29
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Ritchie · Richie

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Leader: Skull Sorcerer
Skull of Hazza D'ur

Sky Folk

Vangelis · Queen Vania · Engelbert
Winged Guards of Shintaro: Hailmar


Leader: Queen Murtessa
Murt · Moe


Leader: Chancellor Gulch
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