An extremely formidable mercenary and powerful swordsman, Guts (Berserk) was already a veteran of numerous battlefields since the age of 9.
Tōshirō Hitsugaya (Bleach) was able to graduate from the Shinigami Academy in a single year with the highest written and performance scores in each of his classes and the youngest Soul Reaper to ever reach the rank of captain.
Ichigo Kurosaki (Bleach) became a Shingami at age 15, while still an inexperienced teenager his astounding growth rate allows him to become one of the strongest Shinigami, surpassing even most Shinigami Captains...
...after two years, at 17 Ichigo awaken his true power as a transcendent Shinigami proving the Wandenreich's expectations that Ichigo could surpassed even Genryusai as the strongest Shinigami of all time.
Kenpachi Zaraki's (Bleach) potential as one of the strongest Shinigami was prominent in his boyhood, allowing him to kill hundreds of outlaws...
...and defeating captain Retsu Unohana, the supreme master swordswoman, who believed Kenpachi potential was stronger than herself.
Despite being a high-school student, Prince Akatsuki (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is the greatest magician in the world.
Despite being a high-school student, Ichijou Aoi (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is the strongest martial art master in the world.
While still a high-school student, Kanzaki Keine (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is the finest doctor in the world.
While still a high-school student, Sanada Masato (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is the most successful entrepreneur in the world.
While still a high-school student, Ooboshi Ringo (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is the most brilliant scientific genius the world has ever known.
Sarutobi Shinobu (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) a highschool student who is also the world's best journalist.
While still a high-school student, Mikogami Tsukasa (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!) is a genius politician who served as the Prime Minister.
Layfon W. Alseif (Chrome Shelled Regios) is a natural-born prodigy among even the Twelve Heavens Blade, being capable of becoming one at the age of ten. It was stated by even his master Lintence that he could break-down and master Kei Techniques after just seeing them performed once.
Due to reincarnating and training since birth, Vandalieu (The Death Mage Who Doesn't Want a Fourth Time) became strong enough to kill Pure-breed vampires at age 8 and Evil Gods at age 9.
Vegeta (Dragon Ball series) showed tremendous power from a young age, even by the standards of First-Class warriors and the royal bloodline of the Saiyan race, breaking all previous records of Saiyan attributes.
Broly (Dragon Ball Super) was born with an unbelievable power level, even among Saiyans, which was just a prelude to his true potential
Frieza (Dragon Ball series) is a natural prodigy, having been born so powerful that he never had to train a day in his life...
...and when he did decide to train, he gained power comparable to gods within four months.
Trunks and Son Goten (Dragon Ball Z)
Rebecca (Dragonar Academy) is the second youngest Breeder to become a Dragonar.
Becoming a detective at a young age, L Lawliet (Death Note) gained a reputation as the greatest detective in the world whose opinion is highly valued in profiled and difficult cases.
Edward Elric (Fullmetal Alchemist), an alchemical prodigy, became a State Alchemist at age 12.
Gin (Ginga: Nagareboshi Gin)
Often called the "Bastard Child of the Death God", Mukuro, later known as Nobume Imai, (Gintama) is a masterful assassin even as a child her skills earned her the position as one of the Three Wings of Naraku.
Shinpachi Shimura (Gintama)
Since childhood, Suzaku Himejima (Highschool DxD) has outstanding talent in the spiritual arts of Shinto Mysticism, having been chosen to be the guardian of the Vermilion Bird at the age of 15.
Genbu Doumon (Highschool DxD) became the guardian of the Black Tortoise, at a much younger age than Suzaku and Seiryu due to her spiritual talents.
Hida Nayuta (Hybrid × Heart Magias Academy Ataraxia) talent and genius were noticeable since she was a child, and eventually became a god on her own.
Yurishia Farandole (Hybrid × Heart Magias Academy Ataraxia) is among the best fighters of the world, despite being around 17. She's been hailed as the "World Strongest" by many.
Hida Reiri (Hybrid × Heart Magias Academy Ataraxia) has always excelled in everything she did since she was young, She would become the commander of Ataraxia while in her early 20's.
Tatenashi Sarashiki (Infinite Stratos) is a young prodigy, being exceptionally skilled at almost everything she does and is openly regarded as the strongest student at IS Academy, which is full of talented young girls.
DIO Brando (JoJo's Bizarre Adventure)
Being a natural born Ripple/Hamon user through his grandfather's bloodline, Caesar A. Zeppeli (JoJo's Bizarre Adventure Part II Battle Tendency) could unconsciously project its power from an early age.
During his childhood, Joseph Joestar (JoJo's Bizarre Adventure Part II Battle Tendency) developed and displayed his ability to use the Ripple/Hamon he inherited from his grandfather and mother.
Possessing one of the world's strongest Stand, Jotaro Kujo (JoJo's Bizarre Adventure Part III Stardust Crusaders) wields Star Platinum with the aptitude of a master at the young age of 17.
An evil baby genius, Manishu Booi/Mannish Boy (JoJo's Bizarre Adventure Part III Stardust Crusaders) is a deadly Stand user of the nightmare wielding, Death 13.
Bruno Bucciarati (JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo)
Born with an IQ of 152, Pannacotta Fugo (JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo) was considered by many to be a child prodigy, having entered a university to study law at the age of 13.
Despite his young age, Muichirou Tokitou (Kimetsu no Yaiba) was able to become a Hashira/Pillar just two months after starting his demon slayer training.
Often described as a child of the war gods, Kyou (Kingdom) was a prodigy in both hand to hand combat and strategical warfare since the age of 16 and was considered the deadliest member of the Six Great Generals of Qin despite being the youngest.
Due to him being sent to brutal battlefields from a very young age and mowing down countless masses of enemies, Earl Shi of the Wei Fire Dragons (Kingdom)...
...at the age of 15 had already killed over 500 opponents with his Destructive Power form of Qiang/枪/Spear.
In their younger days, Ki Sui (center), Ba Tei (right), and Ryuu Tou (left), the Sons of Rigan (Kingdom) were all exponential prodigies in various fields of warfare.
Becaming the king of the Chouga tribe at a relatively young age, Yo Tan Wa (Kingdom) has done almost the impossible for somebody her age, having conquered over half the Mountain Tribes of Qin and earning the title of Da Shang Zhao.
With dreams of becoming the Greatest General underneath Heavens
, Hyou (Kingdom) trained himself in swordsmanship
and combat for sole purpose of achieving it...
...and demonstrated his intuition
and ability as a leader by rallying Shou Bun Kun's escort soldiers.
From the tender age of 13, Ei Sei (Kingdom) has inherited his great grandfather, King Sho's outstanding political foresight and wisdom that lead many like the famous military officer, Shou Bun Kun and Great General Ou Ki to believed that he is the only King who can unify all of China.
Recognized by the elders of Clan Shiyuu to be the most talented practitioner of the Priestess Dance of her generation, Kyou Kai (Kingdom) is a dangerously fearsome and powerful master swordswoman at the young age of 13...
...and also shows her foresight as a Tactical Genius
without any longtime training.
Each of the Young Captains of the State of Qin (Kingdom) are considered "monsters" who possess astonishing talent in various fields of warfare such as tactical analysis, opportunity sense, skill adaptation and their own respective fighting styles...
...the youngest of the trio who was originally a servant and a slave, Shin of the Hi Shin Unit
trained himself in swordsmanship
alongside his fellow servant Hyou and has defeated far more experience and deadly opponents with his budding martial prowess...
...even before becoming a 100-man commander at the age of 14...
...often called the leader of a new generation of commanders, Ou Hon is the extraordinarily adept leader of the Gyoku Hou Unit and a powerful master in the art of Qiang/枪/Spear...
...receiving recognition from the chief of Qin's military affairs, Shou Hei Kun for his strategical genius and acknowledged by Great General, Mou Gou to a prodigy even among their own elite family, Mou Ten of the Gaku Ka Unit’s (Kingdom) brilliance in tactical acuity was already on par's with a Great General then either of his peers...
...which he greatly demonstrated when he saved the Ou Sen Army's left wing from collapsing and was later promoted to General for his actions.
The younger brother of Mou Ten, Mou Ki (Kingdom) serves as one of the best and youngest strategists for the state of Qin.
Receiving special strategist recognition from the Chief of Military Arts at the age of 14, Ka Ryo Ten (Kingdom) is the skillful tactician and strategist of the Hi Shin Unit.
The superstate of Chu's leading member of the younger generation of commanders of the Warring States, Kou Yoku of The Thunder (Kingdom) is an impressive 1,000-man commander at the young age of 20...
...possessing exponential talent
and potential as he led a hastily assembled 5,000 strong army just a day after being promoted...
...and held his own against Great General Tou's powerful Rasen - Faru Faru swordsmanship.
The youngest member of the Ten Bows of China, Haku Rei of Chu (Kingdom) holds the spot of 3rd at the young age of 18 for his powerful acrhery skills.
With dreams of becoming a member of Zhao's Three Great Heavens, Fu Tei (Kingdom) is one of the youngest members among Ri Bkou of the Three Great Heavens of Zhao's entourage of elite vassals and generals.
Sharrkan Amun Ra (Magi The Labyrinth of Magic) was prodigy in swordsmanship, able to defeat multiple strong adult robbers when he was 9 years old.
In addition to his magical aptitude, Negi Springfield's (Mahou Sensei Negima) intelligence is such that he became a homeroom teacher for high school girls at age 10.
Medaka Kurokami (Medaka Box) is a natural genius, progressing through infancy at an accelerated rate and able to surpass even adults in all fields before she was even two years old...
...and performing such feats as reading every single book in her parents' library in three months before she was even one.
Indra Ōtsutsuki (Naruto) was considered to be a prodigy, which led him to accomplish everything without the need for companions.
Orochimaru (Naruto) was hailed as the genius of the Sanin, being the most talented and intelligent of Hiruzen's three famous prodigious disciples when he was a still Genin.
Sasori (Naruto) was considered as a child prodigy in the art of puppetry, mostly due to his loneliness in lack of parental love motivating his obsession in emotionless puppets.
As a young child who wasn't old enough to be a ninja yet, Zabuza Momochi (Naruto) effortlessly slaughtered over 100 Acemedy students without hesitation or pause earning the moniker of a Demon at a young age.
Itachi Uchiha (Naruto) has been heralded as a genius since childhood, as at age 13 he was selected to be a captain of ANBU Black Ops.
Reputed as the Second Coming of the Demon, Mangetsu Hōzuki (Naruto) was not only the youngest member of the previous generation of the Seven Ninja Swordsmen of the Mist but also mastered all of their individual swords.
Though a late bloomer compared to his friend Sasuke, Naruto Uzumaki (Naruto) has eventually surpassed his mentors and predecessors as a ninja, even becoming the youngest Jinchuuriki of his generation to have mastered his Tailed Beast.
Before leaving the Leaf Village, Sasuke Uchiha (Naruto) was hailed as a genius and was one of the most skilled fighters
of the village.
Boruto Uzamaki (Boruto: Naruto Next Generations) not only mastered three nature styles at the age of twelve but was also deemed as a chunin level ninja despite being a genin and well above his class by Kakashi Hatake himself.
Sarada Uchiha (Boruto: Naruto Next Generations) was able to master the Uchiha Fire Release at a very young age, inherited her mother intelligence and Chakra Enhanced Strength while also awakened her Sharingan at the age of 11 and inheriting her father's prodigious talent as an Uchiha.
Himawari Uzumaki (Boruto: Naruto Next Generations) not only awakened her Byakugan at a younger age then her mom and aunt, but also mastered use of the gentle fist on her very first try.
Tony Tony Chopper (One Piece) had become an outstanding doctor at the age of 15.
Destined to be one of Wano's most powerful samurai ever since he was born, Kozuki Oden (One Piece) became a full fledged master samurai at the tender age of 9.
Even at the young age of 15, Kyros (One Piece) was already proficient in combat having fought an entire gang by himself and eventually becoming recognized as the strongest gladiator of Dressrossa colosseum at age 24.
A child prodigy, Nico Robin (One Piece) passed her archaeological exams at the young age of 8 to become a certified scholar, teaching herself archaeologist skills through researching in the library of Ohara...
...and due to her knowledge of the language written on Poneglyph tablets, the World Goverment give her a bounty of 79,000,000 berry.
Rob Lucci (One Piece) was a prodigy in the Rokushiki martial arts, he could slay 500 soldiers when he was only thirteen years old.
At the beginning of his career, Monkey D. Luffy (One Piece) fought and defeated various powerful pirates of the East Blue, becoming the most wanted man of its seas at the age of 17, the youngest of the Worst Generation, and one of the strongest pirates of all time, being recognized as a Yonko at the age of 19.
Even as a child, Portgas D. Ace (One Piece) was able to defeat adult pirates, vicious giant animals, and street punks with his fighting
ability and after starting his pirate career he rose as a super rookie and was even offered a position as one of the Seven Warlords/Shichibukai and later became the 2nd Divison Captain of the Whitebeard Pirates.
The 2# of the Revolutionary Army, Sabo (One Piece) is one of their most powerful fighters despite being one of the youngest.
Minks (One Piece) are natural born warriors from birth.
All Hunt Grount (One Piece) is prodigious marine soldier, his great fighting prowess allows him to become a Marine Captain at age 17.
Charlotte Linlin (One Piece) was born immensely powerful, able to overpower giants even at the age of 5.
Charlotte Katakuri (One Piece) is the second strongest member of the Big Mom Pirates, having never lost a single battle since the day he was born, until he finally tasted defeat at the hands of Monkey D. Luffy.
Yukari Sendo (Rosario + Vampire) is smart enough to attend high school at age 11.
Those who have been members of Elite Ten Council (Shokugeki No Soma) have always been the best of their generation when it comes to cooking, usually display their talents at a young age.
Erina Nakiri (Shokugeki No Soma) is a child prodigy able to speak at infant stage and gifted with unique ability called "Gods Tongue", making her genius in her academy. She even became the director of Tōtsuki Culinary Academy itself while still a 1st year high school student.
Even before becoming the 62nd successor to the Hokuto Shin Ken, Kenshirō Kasumi (Fist of the Blue Sky) was already a full-fledged martial arts master by the age of 3.
Raoh (Fist of the North Star)
Originally Aura Readingtalent
in various sports and activities even at the tender age of five.
Growing up on the battlefield after his father's death, Thorfinn (Vinland Saga) quickly grew into a highly skilled warrior...
...capable of swiftly killing warriors at least twice his age.
Gabimaru (Hell’s Paradise: Jigokuraku)
Team Maka (Soul Eater) is composed of the DWMA's three best meisters and their weapon partners, who despite their age fought against the first-generation Kishin and Death's oldest son, Asura…
…Black☆Star, recognized as a Child of the Martial Way
has all but proven superior
to his fellow students in combat. After gaining his true path and blessing of the will within
his partner, Tsubaki
, he became far more powerful than before, defeating the Sword God
, Mifune and soon became known as the Warrior God…
…as the second son of Death, Death the Kid has proven to excel in everything with his perfectionist nature being his drawback. But, he has proven to be able to beat
a lot of dangerous foes with his partners Liz and Patty
, and in the end, Kid succeeded in becoming a True Shinigami
and inheriting his father's power