The Gachiakuta anime has brought Kei Urana’s gritty manga world to screens worldwide since its debut on July 6, 2025. Viewers quickly became invested in the story of Rudo, a boy wrongfully cast into the Pit, and the Cleaners who fight to protect their world from Trash Beasts. One character who stands out is Zanka Nijiku, the young mentor assigned to train Rudo.
Fans watching the series on Crunchyroll often wonder about the ages of these characters. Unlike some anime that keep ages vague, Gachiakuta provides clear information through official character profiles. Here is a complete breakdown of how old Zanka and the other key characters are.
How Old is Zanka Nijiku in Gachiakuta?
Zanka Nijiku is 17 years old. His birthday is February 3, making him an Aquarius .
Zanka stands 178 cm (5’10”) tall. He comes from the prestigious Nijiku family, a noble household in the Ground that owns the Kamutari District. Most of his family members work as Hell Guards, the main law enforcement group in the Ground. Zanka was originally trained to follow this path and attended a special academy for Hell Guard candidates .
However, Zanka left that path behind after some conflict. He eventually met Enjin and joined the Cleaners as a member of Team Akuta. Enjin personally selected Zanka to become Rudo’s trainer because of his exceptional skill with vital instruments .
Despite his young age, Zanka is considered the best vital instrument handler among all the Cleaners. He wields a staff called Lovely Assistaff, which takes the form of a simple stick that transforms into a spear-like weapon during battle. The weapon is modeled after the sasumata, a polearm once used in feudal Japan to capture criminals .
Zanka’s personality matches his age in some ways but shows maturity in others. He can be arrogant and overbearing, especially when first meeting Rudo. He deeply respects Enjin and seeks his approval. A few kind words from Enjin can instantly improve his mood . Zanka enjoys foods rich in dashi broth and respects people who work hard to improve themselves. He dislikes geniuses and those who act like geniuses without putting in the effort .
Main Cleaners Characters Ages
The Cleaners organization consists of multiple teams working to eliminate Trash Beasts. Here are the confirmed ages for the main Cleaners characters.
Rudo Surebrec is 15 years old. The protagonist of Gachiakuta was born on July 20 and stands 163 cm (5’4″) tall. Rudo comes from the Sphere, the floating world above the Ground, where he lived as a discriminated tribesfolk. He has an overwhelming love for sweets and strongly dislikes spicy food and people who trample on what others hold dear. His vital instrument is a glove called 3R, which allows him to transform trash into powerful weapons .
Enjin is 28 years old. The leader of Team Akuta was born on August 22 and stands 190 cm (6’3″) tall. Enjin found Rudo after he fell into the Pit and recognized his potential as a Giver. He enjoys cigarettes and people who fight with determination. He dislikes rain and has trouble dealing with immature women. His vital instrument is an umbrella called Umbreaker, which can function as a shield, allow him to float, and spin like a drill .
Riyo Reaper is 16 years old. Born on April 9, Riyo stands 155 cm tall (plus 10 cm from her platform shoes). Before joining the Cleaners, she worked as a professional hitman in the underground world. She is cheerful and playful normally but becomes pragmatic in battle. Enjin had to forbid her from killing after she joined the team. She fights with scissors called The Ripper, which she operates with her feet .
Tamsy Caines is 23 years old. He leads Team Eager, a rival Cleaner team. Tamsy remains calm in chaotic situations and has sharp observation skills. He uses a distaff called Tokushin as his vital instrument .
Delmon Gates is 45 years old. As a member of Team Eager, Delmon brings experience and a giant stature to battles. He uses a hose with a spray nozzle as his vital instrument, allowing him to control water and cause larger foes to pop based on their water content. He is passionate about his comrades .
Bro is 35 years old. He supervises Team Child and cares deeply for Dear, watching over him despite no blood relation. His vital instrument is a bandanna that can transform into a dangerous whip .
Dear is 10 years old. This young Giver belongs to Team Child and uses a pacifier as his vital instrument. He gets sleepy late at night .
Guita is 14 years old. She wears clothing that looks like a monster and shows interest in Rudo, following him around to learn about his interests. Her vital instrument is a onesie that allows her to transform .
Gris Rubion is 30 years old. He serves as a Supporter for the Cleaners, acting like a leader among the support staff. He has immense grip strength and can crush normal trash beast exoskeletons .
Follo is 19 years old. Another Supporter, Follo joined the Cleaners to eliminate Trash Beasts. He has no special abilities as a Giver but takes care of a precious object in hopes of becoming one .
Tomme is 21 years old. She works as the Cleaners’ record-keeper, documenting everything she observes including Trash Beasts and battles. She never fails to sketch or take notes even during dangerous fights .
Semiu Grier is 26 years old. She works as the receptionist at Cleaners headquarters. Her glasses serve as a vital instrument that enhances her kinetic visual acuity, allowing her to see a person’s true essence when she tries hard enough .
August Stilza is 20 years old. She designs and creates the Cleaners’ full-face masks, gear, and clothes. She has a mad scientist-like personality .
Eishia Stilza is 17 years old. August’s younger sister serves as the Cleaners’ only healer Giver. She is introverted and has very low self-esteem .
The Raiders Characters Ages
The Raiders serve as antagonists in Gachiakuta, led by Zodyl. Here are their confirmed ages.
Zodyl Typhon is 23 years old. The Raiders boss stands 188 cm (6’2″) tall and was born on November 24. He endured a traumatic past that included forced worship of Sphere trash. His hair developed white streaks due to childhood stress. Zodyl rarely displays emotion and remains cold and calculating. His coat, Mishra, allows him to transform his body into anything he eats .
Jabber Wonger is 18 years old. Standing 183 cm (6’0″) tall with a January 11 birthday, Jabber loves fighting stronger opponents. He finds enjoyment in suffering and conceals the full power of his vital instrument to make battles more challenging. His vital instrument, Mankira, consists of 10 rings that transform into claw-like blades with neurotoxins .
Cthoni Andor is 27 years old. At just 152 cm (4’11”), she is the shortest Raider. Born on May 29, Cthoni remains quiet and emotionless. She remains devoted to Zodyl and will do anything to further the Raiders’ goals. Her vital instrument is a manhole that allows her to teleport herself and others .
Momoa Rukel is 17 years old. Standing 160 cm (5’3″) with an October 14 birthday, Momoa joined the Raiders’ Front Line despite having no combat skills because her vital instrument proved useful. She wears red headphones and uses Asyl to hear memories of anyone she touches .
Noerde is 22 years old. This Raider member comes from the all-women warrior tribe Shireia. She fights using a comb called Mirei and her long hair. She takes pride in fighting head-on .
Fu is 17 years old. As the newest Raider member before Noerde joined, Fu remains timid and does not use his abilities unless ordered. His doll, Hii, can possess his body to grant elevated strength .
Bundus Begalkeit is 44 years old. Standing 200 cm (6’7″) tall with a September 19 birthday, Bundus is the oldest and tallest character in Gachiakuta. Despite his size, he remains calm and friendly, even talking with opponents before battle. His vital instrument consists of six mechanical prosthetic arms, each with different abilities based on when he acquired them .
Other Characters Ages
Remlin is 14 years old. This young spellcaster lives in Canvas Town and uses a pen as a vital instrument to draw spells. He has a fondness for mischief and sometimes draws different spells than requested .
Amo’s age remains listed as “Secret” in official materials. She wears shoes with the same logo as Rudo’s gloves and lives alone in a tower in No Man’s Land. She stands 158 cm tall with a December 4 birthday .
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Regto was Rudo’s foster father who raised him after he lost his parents. His age was never specified in the series .
Chiwa lives in the slums on the Sphere, and Rudo likes her because she cares about him. Her age was not provided .
The age range in Gachiakuta spans from 10-year-old Dear to 45-year-old Delmon, covering about three decades of life experience. Younger characters like Rudo (15), Zanka (17), and Riyo (16) show ongoing development and growth. Older characters like Enjin (28) and Bundus (44) bring wisdom and strength gained through years of experience .
The Gachiakuta anime continues streaming on Crunchyroll, with the first season wrapping up in December 2025. Fans can also read the original manga, serialized in Kodansha’s Weekly Shonen Magazine since February 2022, which provides even more details about these characters and their world .
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