Satoru

I will not overlook any crime!

Mumen Rider (無免ライダー, Mumen Raidā) is the C-Class Rank 1 professional hero from Z-City. Mumen Rider is also one of the few people aware of Saitama's strength and abilities.

Appearance
Mumen Rider is a young man of average height and weight. He wears an armored suit, with brown armor covering his torso and shoulders. He has a black leather suit under the armor and black gauntlets and knee pads. He also has a green bicycle helmet and dark-shaded goggles. Underneath his helmet and shades, he has short, brown hair and oval-shaped glasses that obscure his eyes.

Personality
Mumen Rider is an extremely brave, loyal and honorable hero who refuses to overlook any crime, no matter how minor or insignificant it may be, or back down from any fight, no matter the opponent. He is incredibly determined and never backs down, even at the cost of his own life. He is perfectly willing to give his own life if it means protecting innocent people from evil, even when it is clear he has absolutely no chance of success.

He seems aware that he is weak compared to other heroes, and doesn't feel that he is worthy to move up in class because of it, but he is still more than willing to take on opponents that the Hero Association sends out for A-Class heroes or above, if only to buy the stronger heroes time to arrive. This shows his selfless concept of self-sacrifice, and how he is willing to go the extra mile, as seen when other C-Class heroes were seen running away from the Deep Sea King.

He is very passionate about justice. He is shown to greatly respect people who save him, as seen when he mails Saitama a letter that he initially tries to compose, but quickly crosses out and finishes with a quick "Thank you!!", afterwards asking the owner at the oden bar he was eating at to give Saitama his best serving. Similarly to Saitama, Mumen's heroic deeds are very pure, especially having some sympathy towards villains who seem to have a human heart left in them and appear to be misguided towards a wrong path, such as Bang's former disciple, Garou.

Even though he has been insulted by the Tank Topper Army and several other higher ranking heroes, Mumen doesn't mind. He is also perceptive enough to see what Saitama's true abilities actually are during their first encounter.

He has high expectations of heroes and does not believe they should commit dishonorable deeds. An example of this belief is when he's talking to Charanko in the hospital; when telling Charanko about Saitama and learning of Saitama going to the Super Fight Tournament, he assures Charanko that Saitama would never break the rules to enter in Charanko's place since he is a hero. This could be interpreted as naivety for believing that no heroes can commit selfish deeds.

In many ways, Mumen Rider is a foil to Saitama, Mumen Rider has none of the perceived strength required to be a superhero, and yet he has the immense drive and willpower to be one, while Saitama has all the strength he could need to be a hero, but none of the enthusiasm that the Mumen Rider has.

Abilities and Powers
Being the top ranked C-Class hero Mumen Rider is eligible to be promoted to the B-Class, however, he has refused promotion because of his belief that he is not strong enough to be a B-Class hero and has managed to retain his place at the top of the C-Class for more than half a year.

Physical Abilities
Enhanced Strength: Mumen Rider was able to hurt Angry Grandpa, a monster resistant to gunfire.

Enhanced Endurance: Despite his injuries and the apparent pain he suffered, Mumen Rider still continued to fight the Deep Sea King, showing a decent amount of endurance. After being hospitalized by Garou, he is seen battling the invading monsters at the hospital despite his injuries.

Enhanced Durability: Mumen Rider withstood an attack from the Deep Sea King, although he was heavily wounded. Mumen Rider also survived having his head smashed into the ground multiple times by Garou. He also took a hit from one of Hammerhead's crew, which caused severe blood loss of his head, but luckily survived. It should be noted that those battle suits can send a car flying with ease.

Pain Supression: Mumen Rider possesses a great amount of pain supression, as seen in his battle against Deep Sea King.

Fighting Style
Hand-to-Hand Combatant: Not much of Mumen Rider's fighting skills have been seen since he's usually defeated before being able to harm his enemies in any way. However, before being smashed to the ground and judging by his outfit, it seems that Mumen Rider prefers hand-to-hand combat and relies on his speed.


 * Justice Tackle (ジャスティスタックル, Jasutisu Takkuru): Mumen Rider tackles his opponent. This attack is effective enough to make Angry Grandpa let go of his hostage.


 * Justice Punch (ジャスティ殴り, Jasuti Naguri): Mumen Rider punches his opponent. This attack is effective enough to hurt Angry Grandpa.


 * Justice Kick (ジャスティスキック, Jasutisu Kikku): Mumen Rider kicks his opponent. This attack is effective enough to hurt Angry Grandpa.


 * Justice Crane High Kick (ジャスティス・クレーンハイキック, Jasutisu Kurēnhaikikku): Mumen Rider kicks his opponent. This attack is effective enough to knock Angry Grandpa down.


 * Justice Crash (ジャスティスクラッシュ, Jasutisu Kurasshu): Mumen Rider uses "Justice" as a projectile, hurling his bicycle at his opponent.

Equipment
Bicycle of Justice: Nicknamed "Justice" (ジャスティス号, Jasutisu-gō) In short, this is Mumen Rider's mode of transportation. Appearing as a rather standard utility bicycle (also known as mama-chari), it has a thick frame, a light attached to the front fender and a basket attached to the handlebars. Mumen Rider seems rather adept at riding his bike, able to ride at high speeds even in rain.

Justice Helmet: (ジャスティスヘルメット, Jasutisuherumetto)
 * Riding-Out-of-the-Saddle Mode: (立ちこぎモード, Tachi kogi mōdo) When Mumen Rider "activates" this mode, he simply stands up and pedals at a much higher rate, allowing him to go significantly faster than normal. His technique allows him to arrive at the fighting scene 2.5 times faster than normally but it drains a lot of stamina so it's a double edge sword for him.

Justice Goggles: (ジャスティスゴーグル, Jasutisugōguru)

Justice Suit: (ジャスティススーツ, Jasutisusūtsu)

Justice Belt: (ジャスティスベルト, Jasutisuberuto)

Miscellaneous Abilities
Indomitable Will: Similarly to Saitama, Mumen Rider possesses sheer willpower. This is most evident in his fight with the Deep Sea King, where he doesn't stop going all on out at the monster despite being brutally thrashed, critically injured and brought near death.

Hero Rating
Mumen Rider's rating determined by the Hero Association :

Quotes

 * (To Deep Sea King) "It doesn't matter if I stand a chance or not! I have to fight you here and now!"

Trivia

 * According to the databook:
 * What he likes are DIY shops, bicycles, motorcycles, watching tokusatsu (a Japanese term for live-action film or television drama that makes heavy use of special effects) and reading bike magazines.
 * What he dislikes are bicycle thieves.
 * Mumen Rider is ranked 5th in the character popularity poll.
 * Mumen Rider's name appears to be a parody of the Kamen Rider line of superheroes. However his name directly translates to License-less Rider.
 * He was christened "Rider" due to his obsessively persistent attitude, and because he's unable to ride a motorcycle.
 * He actually had a license but because he was always in hurry to arrive at the crime scene, he committed too many road infringement for speeding and lost it.
 * Mumen Rider goes on patrols during Christmas time.

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