Mezo Shoji

Mezo Shoji (障子目蔵) is a student at U.A. training to become a Pro Hero.

Appearance
Mezo is very tall, with hair that swoops down in front of his face. He wears a mask that covers all his features below his eyes. He has 6 arms. It is shown that Mezo's arms are very physically strong.

Personality
Despite his frightening appearance, Mezo is a very friendly and gentle person who will work nicely with anyone. He isn't the type to hold grudges, showing no ill will towards those that harm him unwillingly.

Mezo is quite selfless and willing to risk his life for a friend. He can be empathetic and understanding, but still shows a sense of maturity and responsibility that prevents himself from acting under emotional impulses, even if he feels regretful about it.

Mezo claims to hold no desire for material needs, being fine with having few possessions of his own. This is a trait he's been carrying since childhood.

History
At some point, something happened to Mezo that caused him to start wearing a mask across his face, as he explained in Chapter 123. What this event was has not been stated.

Entrance Exam Arc
He is among the applicants who was participating in the exam.

Sports Festival Arc
Mezo places 14th in the Obstacle Race, allowing him to participate in the next event, the Human Cavalry Battle. Minoru asks him if he could team up with him, which he allows. After the Human Cavalry Battle starts, Mezou and his team attack Izuku's team, carrying Minoru and Tsuyu on his back while hiding them with his tentacles. After Minoru orders Mezo to attack, Mezo begins charging at Izuku and Shouto's teams, but Denki releases a huge amount of electricity, electrocuting Mezo and his teammates and become stunned as a result, unable to move. Shoto then freezes Mezo's legs, stopping him in his tracks.After the Human Cavalry Battle ends, Mezo and his team fail to qualify for the final event.

Mezo along with his class watches the closing ceremony of U.A.'s Sports Festival.

Field Training Arc
Two days after the Sports Festival, Mezo is in class. During the Hero Informatics period, Class 1-A has to decide on Hero names. Mezo writes down and reveals his Hero name: Tentacle Hero Tentacle (触手ヒーロー テンタコル).

After Class 1-A is finished formulating their Hero names, Mezo is given a list of 40 workplaces in order to choose a workplace that he wants to train at. On the day of the workplace training, Mezo is at the train station with his class so that he can travel to the workplace of his choice by train.

End of Term Test Arc
Back in class, Izuku reveals the content of the exercise test to the class, much to Denki and Mina's happiness; Mezo notes that they are happy because they don't have to adjust their Quirks for real life opponents. On the day of the exercise test, Mr Principal reveals that Class 1-A will be fighting against U.A.'s teachers for their exercise test. Mezo is paired with Toru and they must face Snipe in their test exam.

Mezo, Toru and Snipe arrive in an uninhabited city where their test exercise will take place. Snipe explains the 30-minute test; Mezo and Toru must either handcuff him or one of them must escape the battlefield within 30 minutes in order to win and pass the test. The test begins.

After a difficult battle against Snipe, Mezo along with Toru pass the practical test.

Back in class at U.A., Mezo learns that he passed the written test and will go with his classmates to the forest lodge which is a boot camp. Mezo along with his class go to Kiyashi Ward Shopping Mall to buy necessities for the forest lodge.

School Trip Arc
The next day after the shopping trip, at U.A., Shota informs Class 1-A that the destination for their lodge trip has been changed and the new destination will only be announced on the day of the event. The first semester has come to a close and summer break has begun.

On the day of the event, Class 1-A boards a bus that will take them to the forest lodge destination. An hour later, Class 1-A’s bus stops for a restroom break. However, Class 1-A notes that Class 1-B isn’t at the rest stop. Suddenly, two females wearing cat-like costumes and a small boy appear; the females excitedly introduce themselves as the professional Hero Team, The Pussycats. The black haired female explains to Class 1-A that they will be staying at the base of a mountain which is a part of their domain; they have three hours to reach the base of the mountain using their Quirks as they please and those who don’t arrive there by 12:30 pm won’t be served lunch. Soon, Class 1-A realize that they have already arrived at their destination and their training camp has already begun with the Pussycats being their supervisors. Some of Class 1-A try to leave, but Pixiebob uses her Quirk to create a landslide of dirt that causes Class 1-A to fall into a forest called Forest of Magic Beasts, which they must traverse to reach their destination. Suddenly, Class 1-A are confronted by a beast; Kouji tries using his Quirk to control the beast but it does not work due to the beast being made out of dirt. Izuku, Shouto, Tenya and Katsuki mobilize and use their Quirks to destroy the dirt beast.

After Izuku, Tenya, Shoto and Katsuki destroy the dirt beast, Class 1-A begins traversing the Forest of Magic Beasts. However, the journey through the forest to the Cabin takes around about 8 hours. Class 1-A arrive at the facility, battered and tired. It is now 5:20 pm in the evening. Pixiebob admits that she thought they would take longer to get to the facility; she praises Class 1-A for figuring out her Earth Beasts quickly and easily. Class 1-A fetch their luggage from the bus and put it in their rooms. Class 1-A go to the dining hall to have dinner. After finishing eating dinner, Class 1-A go to the hot springs. The next day at 5:30 AM, Class 1-A are outside the training camp cabin. Shota greets his students and tells them that they will undergo reinforcement training to strengthen and upgrade their Quirks which will also allow Class 1-A to obtain their temporary licenses.

Mezou along with his class undergo training to improve their Quirks.

On the night of the third day of training, Mezo is paired with Fumikage for the test of courage. During the test of courage, the League of Villains Vanguard Action Squad begin their attack by filling the forest with poisonous gas. One of the villains part of the squad called Moon Fish ambushes Fumikage and Mezo. Mezo covers for Fumikage but loses one of his tentacles in the process. They manage to retreat from Moonfish. However, the ambush causes Fumikage to lose control of his Quirk. Mezo saves Izuku from Dark Shadow's claw and explains the situation to him. They turn their attention to Fumikage; Fumikage has been restrained by Dark Shadow, who is now larger and more ferocious due to the power of darkness. The empowered and berserk Dark Shadow begins taking control of Fumikage’s body. Struggling, Fumikage pleads Izuku and Mezo to run away from him otherwise they will die. Izuku watches in shock.

The rampaging Dark Shadow attacks and destroys several trees around it. Dark Shadow attacks Mezo and Izuku, but Mezo is able to dodge in the nick of time. After maneuvering behind a tree, Mezo sees that Dark Shadow attacks anything that moves or makes, while also noting that Fumikage’s regret and indignation is intensifying Dark Shadow’s control over Fumikage as well as its own power. Fumikage pleads Mezo and Izuku to save the others and forget about him. Mezo informs Izuku that they need light to calm Dark Shadow down so that Fumikage can regain control; he tells Izuku that he can distract Dark Shadow while he runs back to the facility for help; Izuku is indecisive due to wanting to save Katsuki as well. Before Izuku can reply, Dark Shadow strikes at them, but Mezo is able to evade. Seeing that their situation is desperate, Mezo tells Izuku that he can either save Fumikage with him or save Katsuki by himself. Izuku apologizes to Mezo because he cannot make that decision and says that he has a plan. Mezo and Izuku arrive to where Katsuki and Shouto are along with Dark Shadow in pursuit, with Mezo asking one of them to make light. Before he can explain further, Moonfish senses Mezo and Izuku’s presence and sends one of his teeth to attack them. The rampaging Dark Shadow uses its enormous claw to crush Moonfish, destroying Moonfish’s teeth and knocking him out. Shoto and Katsuki are surprised at what happened. Izuku’s plan was to lure the rampaging Dark Shadow to their location by creating decoys from Mezo’s Dupli-Arms which worked. Izuku is happy to see Katsuki, glad that he doesn’t have to save only one of his classmates and sacrifice the other.

After the rampaging Dark Shadow effortlessly defeats Moonfish, Shoto and Katsuki use their Quirks to calm down Dark Shadow, returning Fumikage to normal. Now back in control, Fumikage thanks Katsuki and Shoto for saving him. Mezo is glad that Fumikage is fine. However, Fumikage is regretful that he couldn’t conceal his anger when Mezo lost one of his arms, which caused him to release Dark Shadow out of anger and lose control due to being enraged and spurred on by Dark Shadow’s own rage. Fumikage is guilty for harming Mezou; Mezou tells Fumikage that he doesn’t need to feel guilty and shows no ill will towards Fumikage.

Izuku tells Fumikage that their top priority is to protect Katsuki, who is the target of the villains’. Izuku decides that they should escort Katsuki back to the facility and take a shortcut through the forest; Izuku thinks that with the power of Mezou’s scouting capabilities,Shouto’s powerful Quirk and the unrivaled power of Fumikage’s Dark Shadow, escorting Katsuki will be a cinch. However, Katsuki is angry that he needs protecting and refuses their help. The Bakugou Escort Squad (consisting of Mezou, Shouto, Izuku and Fumikage) begin escorting a begrudging Katsuki back to the facility. The Bakugou Escort Team travels to the facility and comes across Ochako and Tsuyu. When Ochako and Tsuyu notice that Katsuki is not with them, Izuku, Mezou and Shouto turn around and see that not only Katsuki has disappeared but Fumikage as well. After the masked magician-like villain reveals to be the one who took Katsuki, Izuku demands that he give Katsuki back.

After handing Kousei to Ochako, Shouto attempts to stop Mr. Compress by trying to freeze him with his ice attacks, but Compress's speed allows him to avoid Shouto's attacks. Mr. Compress also reveals that he captured Fumikage as well due to being impressed with his victory against the powerful Moonfish and states that he will be very useful, much to Izuku's anger. Compress begins escaping. Izuku hatches a plan to save Fumikage and Katsuki; Izuku asks Ochako to make him, Shouto and Mezou float, then tells Tsuyu to use her tongue to throw their weightless bodies as hard as she can towards the magician, which will allow the three of them to fly towards the villain with Mezou using his arms to guide their trajectory; once they are in reach of the villain Ochako will deactivate her Quirk. However, Ochako and Shouto see that Izuku’s injuries are severe and think he should stay put. Izuku insists that he goes along which convinces Ochako and Shouto. They execute the plan; Tsuyu wraps her tongue around Izuku, Mezou and Shouto while Ochako uses her Quirk to make them weightless. Tsuyu throws the weightless Izuku, Mezou and Shouto towards Mr. Compress. The three fly at Compress at high speed and reach him. Ochako deactivates her Quirk, causing them to land on Compress and smash him onto the ground. Izuku, Mezou, Shouto and Compress landed right at the Vanguard Action Squad's rendezvous point. After apprehending Mr. Compress, Izuku, Shouto and Mezou see that they are right in front of Dabi, Himiko and Twice.

Dabi launches his flames which hits Mezou's arm and injures it. After Himiko attacks Izuku, Mezou smacks her away from Izuku. Mr Compress prepares to give Dabi the captured Fumikage and Katsuki, only to find that the marbles are not in his pocket. Mezou reveals that he took the marbles from Mr Compress. As Izuku and Shouto prepare to backup Mezou, Kurogiri arrives and blocks their path. After Himiko, Twice and the Noumu escape, Mr Compress reveals that the marbles Mezou took are not the captured targets and are decoys instead; the marbles Mezou took transform into ice, which shocks Mezou. Mr Compress removes his mask and sticks out his tongue which has the actual marbles. Having overheard what is happening; Yuuga takes action and fires his Navel Laser at Mr Compress’s face, which breaks Compress’s mask and causing Mr Compress to spit out the marbles containing Fumikage and Katsuki.

Izuku, Mezou and Shouto rush to grab the marbles, although Izuku starts succumbing to his injuries which causes him to fall to the ground. Mezou and Shouto continue rushing towards the marbles; Mezou grabs the marble containing Fumikage, thus saving him. Shouto is almost in reach of the marble containing Katsuki and nearly grabs it, but Dabi snatches it away before Shouto can grab it.

Mr Compress deactivates his Quirk, freeing Fumikage and Katsuki. Mezou, Shouto, Izuku and the freed Fumikage see that Katsuki has teleported away with the Vanguard Action Squad.

Hideout Raid Arc
After the Vanguard Action Squad leave, the training camp ends and Mezou returns home. Two days later, Mezou visits Izuku in the hospital and hears about Eijirou and Shouto's plan to rescue Katsuki. As Tenya orders them to stop thinking about such an attempt, Mezou stops Tenya. Mezou understands Eijirou and Shouto's frustration in not being able to save Katsuki and advises that they should not make the decision based on their feelings. Mezou leaves Izuku's room after the doctor requests them to.

Quirk and Abilities
Dupli-Arms (複製腕 Fukuseiwan): Mezou's Quirk allows the tips on his tentacles to replicate parts of his body (ex. mouth, ears). Mezou can also use his tentacles to make duplicates of his body parts such as an extra arm and can use them as decoys.

Enhanced Strength: Mezou has shown to have great physical strength as he was able to exert as much as 540 kilos of force during the Quirk Apprehension Test. He was able to carry both Tsuyu and Minoru on his back without any difficulty.

Battles
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Battle Trial Arc

 * Shoto Todoroki & Mezo Shoji vs. Mashirao Oijiro & Toru Hagekure: Won

End of Term Test Arc
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 * Mezo Shoji &amp; Toru Hagakure vs. Snipe: Won

Minoru Mineta
Minoru admires Mezo for his octopus appearance and tall height. During the fight between Izuku and Shoto in the Sports Festival tournament event, Mezo prevents Minoru from being blown away.

Fumikage Tokoyami
Mezo is on good terms with Fumikage, During the training camp, he and Fumikage were attacked by Moonfish. Mezo protected Fumikage but lost an arm in the process. Angered that Mezo sacrificed a limb just to save him, Fumikage (enraged by his incompetence and the influence of the night's darkness) lost control of Dark Shadow which caused him to harm Mezo. Mezo resolved to save Fumikage alongside Izuku which they eventually succeeded. Fumikage felt regret for harming Mezo and apologized to him. Mezo shows no ill will towards Fumikage, thus he and Fumikage are on good terms with each other.

Shoto Todoroki
They were partnered with each other during Battle Trial Arc. Mezo and Shoto along with Izuku worked together during the training camp in order to save Katsuki and Fumikage.

Trivia

 * While Mezo's face has not been officially unveiled in the series yet, a piece of concept art showcases what could possibly be Mezo's true face, featuring a wide mouth with a set of jagged teeth. The same concept artwork also implies that Mezo is capable of using his Quirk to replicate miniatures of his head.
 * Mezo is student No. 11 in Class 1-A.
 * Mezo ranked 6th during the Quirk Apprehension Test.
 * Mezo's name comes from "壁に耳あり障子に目あり" (Kabe ni mimi ari shōjinimeari).
 * Mezo likes takoyaki and squid ink pasta.
 * Kohei Horikoshi considers Mezo fun to draw due to his less human-like features.
 * Measuring at 187 centimeters, Mezo is the tallest student in his class.

Quotes

 * (To his classmates, regarding Katsuki Bakugo's kidnapping) "I get it. Kirishima's pain over not being able to do anything... and Todoroki's regrets over having Bakugo snatched away before his eyes. I regret it all too. Still... this is no time to let our emotions get the better of us."