Bad

Demon, Dragon, Whatever, just lemme take care of it!

Bad (バッド, Baddo), also known by his hero alias Metal Bat (金属バット, Kinzoku Batto), is the S-Class Rank 16 professional hero for the Hero Association.

Appearance
Metal Bat is a young man with black hair styled in a pompadour and dark eyes that emphasize his hot temper. He wears black hakama pants and black gakuran, which he drapes over his red long-sleeved turtleneck.

Personality
Metal Bat has a great deal of confidence in himself stating that he did not care whether a threat is a Demon or Dragon level. He also seems to be brash and reckless, as shown when he immediately smashed one of Melzalgald's marbles instead of trying to analyze what purpose it serves for the enemy. Furthermore, he was willing to challenge Sweet Mask for his mocking attitude before being interrupted by a call from his sister and Sweet Mask's manager. He speaks in a very rough dialect, pronouncing "yer" instead of "your".

Despite his brash attitude, he still has a soft side in him when it comes to his sister, who he treats very well and spoils to an extent. He has also shown similar love towards his pet cat, Tama. Like Saitama, he doesn't care about his rank and accidentally kills his enemies faster than he intended, such as when he killed Rafflesidon and Senior Centipede before he could get any answers for their motivations.

History
Metal Bat used to be a C-Class Rank 223 hero, but after impressing the Hero Association he moved up to S-Class. The association members offered to arrange anything he wishes, even weapons. Metal Bat then request a bat that never breaks and received his signature bat.

Alien Conquerors Arc
Metal Bat attended the S-Class heroes meeting, where he openly complains on missing his younger sisters piano lesson. From there, he proceeded to fight alongside the other S-Class heroes against Melzalgald. During their fight Metal Bat was smashing the monster flying head and managed to find and destroy a marble inside its head, killing the head. With the aid of Bang and others, they are able to destroy all the marbles inside of it and kill Melzalgald.

After the fight was over, the spaceship above them began to crash down and thex escape toward the headquarters. When Sweet Mask arrives and demands and explanation, he and the heroes were met with criticism. Angered by his statements, Metal Bat threatens to start a fight with him, but before the tension can escalate, they are surprised by Metal Knight's arrival.

Hero Hunt Arc
Metal Bat was tasked to protect Narinki, a sponsors of the Hero Association and his son Waganma at a sushi restaurant. He tells the child to not put the dishes that Waganma has finished back in the counter, but the child doesn't listen, much to Metal Bat's displeasure. Metal Bat soon receives a call from his sister; she asks if he can help her with her shopping bags, but declines, because he is on a mission. His sister starts crying and hangs up the call. After the call, Metal Bat feels a sudden shaking. Metal Bat rushes back to Nariki and finds that Junior Centipede has emerged from the ground with Human Bird Grass. Furthermore, Junior Centipede has grabbed Wagama. Before the monsters could grab him, Metal Bat grabs his coat and engages in a fight with the mysterious beings.

Monster Raid Arc
Metal Bat has just finished his fight with Junior Centipede and Human Bird Grass. Nariki and his child Wagama are delighted and wish to celebrate. However, Junior Centipede was still alive and praises Metal Bat for his strength, but still questions Metal Bat about how high he is in the food chain. Before Metal Bat could finish Junior Centipede off, Senior Centipede erupted from the ground. Senior Centipede forced Metal Bat, Nariki, and his son out of the restaurant. Outside, Rafflesidon emerged from the ground and started releasing sleeping gas. Nariki and Wagama immediately fall unconscious. Metal Bat is left to fight two Demon-level monsters. During the battle with Senior Centipede and Rafflesidon, Metal Bat temporarily came under the control of Rafflesidon's gas. When under the influence of the gas, Senior Centipede gave Metal Bat a beating. However, Metal Bat was eventually able to resist the influences of the gases and then completely escaped its influences after injuring his own head. After regaining control, Metal Bat proceeded to defeat Senior Centipede and Rafflesidon with one strike each. However, only after the monsters were defeated did Metal Bat remember that he had not asked for their motivations yet.

After the Demon-level monsters were defeated, B-Class and C-Class heroes, Pineapple and Mohican, arrive at the scene. Metal Bat asks them to bring the Nariki and Wagama to the hospital so that he could finally help his sister with her shopping bags. However, Elder Centipede emerges from the ground. The lower class heroes inform Metal Bat about the monster, stating that is previously wiped out a town and it is marked as a Dragon-level monster. Metal Bat tells the two other heroes to grab the sponsor and the sponsor's child and run, while he prepares to go all out. Metal Bat intercepts Elder Centipede when the monster is charging at Pineapple and Mohican, but his attack did not manage to even leave a scratch and is launched to a building by Elder Centipede. Metal Bat then interpreted that the monsters face is it's weak point. Metal Bat jumps onto Elder Centipede while Elder Centipede is chasing after two heroes. Before Elder Centipede is able to reach the two heroes, Metal Bat unleashes an attack on Elder Centipede's head. Elder Centipede then tries to shake Metal Bat off by maneuvering around the city. Metal Bat is then launched hundreds of meters across the city and encounters Garou, who proceeds to attack him. The Hero Organization later tries to contact him but is unable to do so, due to the fact that Garou is fighting him. He's able to hold back against Garou, who is now much stronger than before, due to his extensive training and is already able to see Metal Bat attack patterns and comments he's disappointed on being unable to witness Metal Bat at his best.

Metal Bat retaliates with an attack, but Garou manages to dodge it. Garou is surprised by Metal Bat's persistence despite Metal Bat's numerous injuries, but insists that Metal Bat is at his limit. Suddenly, Metal Bat rushes to Garou with incredible speed. Garou still manages to avoid Metal Bat's attacks and attempts to counterattack, but Garou's attack are no longer able to faze Metal Bat either. Garou asks Metal Bat for the reason for this sudden increase in physical strength and Metal Bat simply explains that it's fightin' spirit. Metal Bat tells Garou to hurry up with the fight because he still needs to take care of a monster. Garou throws a manhole cover at Metal Bat, but Metal Bat hits it back with his bat. However, Garou already managed to reach Metal Bat by the time Metal Bat followed through. To counter Garou's swift attack, Metal Bat tackled him and launched him toward the ricocheted flying manhole cover. Garou's manages to catch the cover, however. Metal Bat tells Garou to not be full of himself. Garou suddenly launches a barrage of attacks at Metal Bat. Metal Bat tries the take the offensive, but none of his attacks connect. Garou continues to mock Metal Bat, asking him if he's going to persist until he dies. Metal Bat retorts by saying he'll fight until he wins and proceeds to initiate a killing move. Unfortunately, Garou manages to repel the attack and launch a blow to Metal Bat's chest, leaving Metal Bat laying on the ground. Abruptly, someone shouts, "Big Brother!".

Metal Bat is about to land a powerful blow on Garou, but stops because his sister Zenko is there. Garou then punches Metal Bat, but before they could clash again, Zenko jumps right in front of Metal Bat, saying that Metal Bat made a promise not to fight while she's around. Garou gets angry, but respects their promise and leaves the fight to pursue for Watchdog Man.

After Zenko explains why she's there and remembers about the monsters, Metal Bat tries to meet Elder Centipede again, but Zenko hits him in the back of the head and Metal Bat falls on the floor unconscious, due to his exhaustion.

Super Fight Arc
An unconscious Metal Bat is later seen being taken to the hospital with Zenko watching with worry.

The following section contains Webcomic spoilers. You have been warned, manga-only readers.

Psychic Sisters Arc
He briefly appears to defeat a Dragon-level threat and is angry because he's missing his cat giving birth. He plans to take his frustrations out on the monster but said monster is destroyed by Tatsumaki and Saitama during their fight and attempts to calm himself down afterwards.

Big Construction
After Sweet Mask killed the hostage aliens and proceeds to leave, Metal Bat stops him and prepares to fight. Suddenly both their phones start ringing, and while Sweet Mask ignores his, Metal Bat answers his. Metal Bat's little sister was calling and telling him she placed third in the piano concert, with Metal Bat tearing up of joy. As Sweet Mask decides to leave, Metal Bat asks him for an autograph for his sister.

The Murder Case That Is Too Impossible
Metal Bat and other S-Class heroes were invited to a hot spring resort, after the Dark Matter Thieves invasion. While enjoying himself at the hot spring, he wasn't satisfied that Flashy Flash, Watchdog Man and Pig God did not participate in the battle, but were still invited to the resort and questioned their whereabouts. The next day after the ceremony, the heroes find Zombieman murdered, stabbed in the back by Atomic Samurai's katana. Metal Bat was questioned by Child Emperor who is investigating the case. Metal Bat defended himself stating he hadn't drink any alcohol, but his statement rose some suspicion from the other heroes, especially Flashy Flash. While the investigation wasn't progressing, Tatsumaki tried to restrain everyone, until Zombieman suddenly woke up. Zombieman later revealed that Atomic Samurai's katana was floating with green light surrounding it similar to Tatsumaki, when it stabbed him. Zombieman didn't care what happened the night prior and the heroes disbanded and dropped the case.

Abilities and Powers
As a S-Class hero, Metal Bat is very powerful. Despite his low rank, he is believed to be one of the strongest S-Class heroes as he was able to threaten Sweet Mask, one of the strongest characters in the series with no fear and hold his ground against Garou.

He is capable of taking on multiple demon level monsters, such as Senior Centipede and Rafflesidon, and even hold his own against a dragon class opponent. He was also able to take on Garou in a 1-on-1 fight despite being horribly injured.

Physical Abilities
"When the intensity of Metal Bat's anger reaches its maximum, his power approaches infinity.":

Evergrowing Strength: Metal Bat possesses immense physical strength and has taken out many powerful monsters and villains with a single swing, including two demon-class level monsters simultaneously. While being unable to kill the Elder Centipede with one hit, he did push it down and completely stop it in its tracks. Alongside his Fighting Spirit, Metal Bat is able to vastly increase his strength, granting him power to easily destroy buildings and tear the ground causing powerful shockwaves. Even Garou complimented him, stating that if he was hit by the bat, even once, he would have lost the fight.

Immense Durability: Metal Bat also possesses immense durability. He was able to take many hits from Senior Centipede, a demon class level monster with piercing power, and from Garou, an extremely powerful fighter capable of easily defeating super-human foes. In addition, he received a direct hit from Elder Centipede but did not seem to be fazed by the attack afterwards. His durability also becomes more powerful with more Fighting Spirit as the fight between him and Garou progressed, he became almost immune to some of Garou's attacks.

Scaled Endurance: Metal Bat possesses a great deal of endurance. Metal Bat can seemly continue fighting for as long as he has Fighting Spirit as he was able to go beyond his body's limits. He can continue fighting even when he has immense amounts of bleeding and multiple fractured bones.

Immense Speed and Reflexes: Metal Bat was able to escape a falling spaceship and he even considered Puri-Puri-Prisoner slow. Metal Bat also possesses superhuman reflexes as seen in his fight against Garou, where he's able to deflect and block Garou multiple punches despite being injured in his battle against Elder Centipede. Metal Bat's speed, with Fighting Spirit, can even grow to be too fast for Garou's martial arts to compensate.

Fighting Style
Killin' Moves: The strongest of Metal Bat's array of moves, they are mainly used to finish off his opponents.
 * Dragon Thrashing (怒羅厳シバき, Do Ra Gon Shibaki): Metal Bat unleashes a barrage of smacks with his bat. This attack was first seen used against Elder Centipede.
 * Savage Tornado (野蛮トルネード, Yaban Torunēdo): Metal Bat wildly spins with his trademark weapon. The attack is powerful enough to cause slight damage to a master martial artist regardless of the fact that the opponent was able to repel all hits. In their battle, Garou commented that if the bat had hit him once, it would have been the end for him.

Miscellaneous Abilities
Fighting Spirit (気合い, Kiai): Metal Bat is capable of getting stronger through his damage intake and anger build up. This is because of his will to continue to fight regardless of what happens. Instead of succumbing to the damage he receives, Metal Bat gets an increase in his physical attributes. This ability is mainly shown during his fight with Garou wherein he got both more durable and stronger as the fight went on. However, his Fighting Spirit lowers extremely fast when he is out of battle and exhaustion can quickly set in.
 * Mental Resistance: Metal Bat, due to his indomitable will, cannot be completely controlled by mind control abilities. He was able to somewhat resist Rafflesidon's gases and by hitting himself with his bat, Metal Bat was able to entirely escape the influences of Rafflesidon's gases.

High Perception: Despite his brash nature, Metal Bat seems to be very perceptive, as he was the first one to discover Melzalgald's weakness. In addition, he was able to notice that Elder Centipede avoided getting his head in contact with Metal Bat's attack.

Equipment
Metal Bat: Living up to his name, Metal Bat carries a gray metal bat, which has a black handle. Metal Bat uses his metal bat to take care of monsters. It is, with Metal Bat's strength, strong enough to kill demon class monsters with one hit. It was made personally when he joined S-Class, and he requested that it wouldn't break.:

Hero Rating
Metal Bat's rating determined by the Hero Association:

Major Battles

 * Atomic Samurai, Bang, Metal Bat and Puri-Puri-Prisoner vs. Melzalgald
 * Metal Bat vs. Junior Centipede and Human Bird Grass (Offscreen)
 * Metal Bat vs. Senior Centipede and Rafflesidon
 * Metal Bat vs. Elder Centipede
 * Garou vs. Metal Bat

Quotes

 * "All I need is some fighting' spirit and it'll all work out."


 * "Don't worry, I'll be gentle."


 * "Ah! I completely forgot to ask about the monsters' motivation!"


 * "Fuck reasons. It's fightin spirit!"

Trivia

 * Metal Bat appeared in Dr. Genus's computer screen in the House of Evolution.


 * ONE has said that Metal Bat wasn't joking when he said, "He could take care of a dragon level threat".


 * The situation against the Monster Association would have changed if Metal Bat was around.
 * Metal Bat's real name is Bad (バッド, Baddo), which was confirmed by Murata as a fun fact on his stream.
 * Murata confirmed that Metal Bat would have killed Garou had his sister not arrived as a fun fact on his stream.

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