Race: Artificial Mutant Gender: Male Abilities: Immense Strength, Transformation, Weapons; Lion Claws Level: Demon Affiliation: House of Evolution Debut: Chapter 8/Episode 2 Beast King was an artificial mutant created by Dr. Genus of the House of Evolution. Beast King is the leader of Dr. Genus' strike force and second-strongest specimen in the House of Evolution, exceeded only by Carnage Kabuto. Appearance: Beast King is a large, humanoid lion, with a full mane and tail. In spite of his humanoid, five-digit hands, he still wields sharp claws on his fingers and padded, four-toed feet. He wears a black shirt, animal furs on his shoulders, and a leopard-skin cloth around his waist, secured by heavy chains and a belt with a lion-head buckle. There are bracelets on both his wrists and ankles, and bracers on both biceps, which he breaks and shatters once enraged. Personality: Beast King speaks very loudly, roaring and shouting his dialogue constantly. Although only the second-strongest, Beast King revels in his own power, and becomes increasingly frustrated with Saitama's inexplicable strength and absence of fear. As a leader, he is sadistic and has little regard for his fellow mutants, dismissing his killings of Slugerous and Frog Man as the 'law of the jungle'. (Source: OnePunchMan Wikia)
Race: Human (Esper) Age: 28 Abilities: Psychokinesis Occupation: Superhero Level: S-Class; Rank: 2 Affiliation: Hero Association Relatives: Fubuki (Younger sister) Tatsumaki is the S-Class, Rank 2 superhero and the older sister of Fubuki. Tatsumaki is a petite woman, commonly mistaken for being much younger than she really is. She has a youthful face with wide emerald green eyes and hair that curls up on the ends. She wears a formfitting black dress with long sleeves and four high-cut leg slits that show off her legs and low-heeled black shoes. Being the second ranked S-Class hero, Tatsumaki is very powerful. She is one of the most powerful heroes and the most powerful esper alive. Fubuki describes her as a monster much like Amai Mask, who chooses not to advance from A-Class to S-Class to not allow weaklings to rank up. Even after witnessing Saitama's display of power in the fight against her, Fubuki is convinced that Saitama is nowhere near her older sister in terms of strength and fighting ability. (Source: One Punch-Man Wikia)
Occupation: Superhero Level: A-Class; Rank: 20 Debut: Chapter 20
Race: Artificial Mutant Gender: Male Abilities: Weapon's; Mole Hands Level: Tiger Affiliation: House of Evolution Debut: Chapter 8/Episode 2 Ground Dragon was an artificial mutant created by Dr. Genus of the House of Evolution. Appearance: Ground Dragon is a large black mole with a white pattern in the form of Kanji that spells out "ground dragon." His only other distinctive feature is his large claws. Personality: Not much is known about Ground Dragon's personality, due to his quick death at the hands of Saitama. (Source: OnePunchMan Wikia)
Race: Human Age: 24 Height: 181 cm (5'11") Occupation: Superhero, Model, Actor, Singer Level: A-Class; Rank 1 Affiliation: Hero Association Amai Mask is the top hero of A-Class, as well as the most popular one in the world. He chooses not to advance to S-Class so as not to allow weaklings to rank up. Despite his good looking appearance, Amai Mask is very powerful and strong enough to put him in S-Class. Besides his combat abilities, Amai Mask is a talented actor and singer. (Source: One Punch-Man Wikia)
Race: Human Alias: Biting Snake Fist Age Unknown Gender: Male Occupation: Superhero Level: A-Class; Rank: 38 Affiliation: Heroes Association Debut: Chapter 16 Sneck is an A-Class Superhero, rank 38. He was tasked with welcoming the new heroes for the National Superhero Registry Test that Saitama and Genos were a part of. Sneck is a tall and very serious looking man with a rather angular face and sharp eyes, and has spikey black hair. He wears a snakeskin suit with a black shirt and a white tie. (Source: One Punch-Man Wikia)
Race: Human Age: 25 Height: 175 cm (5'9") Weight: 70 kg (154 lbs) Location: Z-City Abilities: Superhuman physical powers Occupation: Superhero Level: C-Class (Rank 388 - 342 - 5 - 1) B-Class (Rank 101 - 63 -33 - 7) A-Class (Rank 39) Affiliation: Hero Association Partner(s): Genos Saitama is the most powerful hero alive. Having apparently trained himself to superhuman condition, Saitama faces an existential crisis as he is now too powerful to gain any thrill from his heroic deeds. He is registered with the Heroes Association as a C-Class Superhero and is tasked to defend Z-City against Mysterious Beings. Saitama is usually deliberately drawn in a simpler style than other characters, with a very rounded head and only a simple mouth and eyes. When drawn in a more 'action-oriented' style with more detail, Saitama is revealed to have sharp features, dangerous looking eyes, and chiseled musculature. His costume is a plain yellow jumpsuit with a short zipper at the collar and a belt. The costume is finished out by an ensemble of red boots and gloves, and a white cape. For a superhero, Saitama is rather laid back. Because even the mightiest foes pose no challenge to him, he doesn't take his hero work very seriously. In spite of this, he is constantly searching for an opponent that can challenge him, since his superhero work is beginning to bore him because it's too easy. The combination of his attitude, unstoppable strength, and distinctively simple and 'unimpressive' appearance often cause his battles to become anticlimactic. Saitama will usually allow his opponents to rant about their motives and power up into their strongest forms before suddenly and nonchalantly obliterating them with one punch. (Source: One Punch-Man Wikia)