A Good story, the best Animation, and a Heart pumping Background Music. Demon slayer made the masses go berserk with every episode of the series. The Animators at studio Ufotable put their heart and soul into animating every scene making every panel the Epitome of what Animation can Achieve right now.
Demon Slayer is a story of a 17-year-old boy whose name is Tanjiro Kamado. He is on a journey to avenge by slaying demons and turning his sister, Nezuko Kamado, back into a Human. The show contains some of the best-animated Action sequences in Anime in general.
Demons in the show are quite interesting to watch too. The leader of all demons is Muzan Kibutsuji. But the interesting thing is that humans can put a fight too. There also is a group, especially for their slaughtering known as Hashiras. One of the Hashira’s, Giyu Tomioka, trained Tanjiro to kill the demons.
Now Let’s Find out some of the Oldest Demons in Demon Slayer.
10. Hand Demon
Hand demon is the demon responsible for killing sabito and makomo, persons who were responsible for Tanjiro’s major training. He is the demon responsible for killing thirteen of Sakonji Urokodaki’s apprentices as well as at least fifty other would-be Demon Slayers.
He has a ruthless personality in his treatment of Humans as he immediately kills them and goes on far to attack those who have fled. Because of Sakonji Urokodaki defeating and trapping him in Wisteria-riddled Fujikasaneyama, he has a great hatred towards him and always curses him for doing so. He later was killed by Tanjiro during his last test of becoming a Demon Slayer.
Hand demon is green, some big elephant-sized demon who become like that after consuming some Humans. He was killed at 47 years old.
Nakime is a member of the Upper Demon Moon who, at the start of Demon Slayer, is mainly unknown due to her talents, which keep her hidden. Because she is all about good defense, Nakime is one of the strongest demons in Demon Slayer. Her Blood Demon Art abilities aren’t overpowered, but getting contact with her is the actual issue.
Nakime’s primary method involves using her musical instrument to reconstruct the layout of her Dimensional Infinity Fortress. Nakime can do this often to elude her opponent or leave them stranded and perplexed.
Nakime with a greyish complexion red lips is a pale woman aged around 113.
In Demon Slayer, Gyokko was the Upper Moon 5 who was defeated by Muichiro. Even before he became a demon, Gyokko had sadistic tendencies. The locals shied away from him since he exhibited a strong interest in his parents’ drowning bodies. He even went so far as to murder a child from the same community.
Gyokko has a distorted face with some baby hands on his back. He has a very short temper possesses a very arrogant personality mainly when someone jokes around about his Art. After being stabbed, Muzan transformed him into a monster. He lived for another 113 years before being killed by the Mist Hashira.
Gyutaro’s younger sister, Daki, was the Upper Moon 6. She possessed incredible strength and used her Obi to murder and eat others. She was a Yoshiwara district Oiran who came dangerously near to murdering all of Uzui’s wives.
Fortunately, Uzui, together with Tanjiro, Inosuke, and Zenitsu, intervened and killed the siblings. When her brother is present, she acts childish and throws tantrums. She is one of the main antagonists in the Entertainment District Arc.
Daki is Rubensesque, tall, and light-colored willowy woman with green eyes and long eyelashes. Until Zenitsu and Inosuke decapitated her, she had been a demon for about 113 years.
In the Entertainment District arc, Gyutaro, the Upper Moon 6, was introduced. He is another one of the antagonists in this arc along with his younger sister Daki. Gyutaro had enough strength to force Tengen Uzui into a corner. The demon was defeated thanks to the joint efforts of Inosuke, Zenitsu, and Tanjiro.
Gyutaro is a muscular man with a tall structure and black-dotted pale greyish complexion. He has the personality of a typical villain who curses his life. He was so powerful that Nezuko’s Blood Demon Art was ultimately required to heal the poison left by his blades. Since becoming a demon, he has lived for almost 126 years and absorbed over 15 Hashiras.
Doma, the Upper Moon 2, was responsible for the deaths of many people, including Inosuke’s mother and Shinobu. His demon talents were particularly unpleasant because they manifested as ice. During his tenure as Upper-Rank Six, he turned Gyutaro and Daki into Demons and introduced them to the Twelve Kizuki
He is a psychopath from a personality point who has sick beliefs for killing his followers by saying that he is freeing them from the suffering of life. Shinobu had to give her life to weaken him enough for Inosuke Hashibira and Kanao to kill him. He’d been alive for nearly 130 years, killing countless people and Demon Slayer Corps troops.
Hantengu was a member of the Upper Moon 4 and along with Gyokko, he was one of the primary antagonists of the swordsmith village arc who was defeated by Tanjiro, the protagonist of Demon Slayer. This demon’s emotions were materialized in physical form, with each having specific talents that set them apart.
Hantegu was one of the most powerful villains as he held one the most powerful, that is, to separate himself into four parts that too without losing the original power. This demon was particularly tough to vanquish since those battling him had to locate his true body to decapitate and defeat him. Until Tanjiro administered the ultimate blow, he had been a devil for nearly 200 years.
Kokushibo was Yoriichi Tsukiguni’s brother, the strongest Demon Slayer ever existed. Since he devised the Breath of the Moon, he was the first demon to be able to use a breathing style. Kokushibo was a human named Michikatsu Tsugikuni born during the most glorious era of Demon slayers, the Sengoku Era. He was the most powerful of the Twelve Kizuki, and he was responsible for the deaths of numerous Hashiras and Demon Slayer Corps soldiers, including Muichiro and Genya Shinazugawa.
However, Gyomei, Sanemi, Muichiro, and Genya were successful in slaying the Upper Moon 1. Kokushibo was one of the oldest demons aging 480 years old.
Turned in a Demon by Demon king Muzan himself, Tamayo is a major side character of this show. A close friend of Tanjiro, she also is a doctor besides a Demon. she develops a drug that would help in defeating Muzan by joining forces with the Demon Slayer Corps along with Yushiro during the Infinity Castle and Sunrise Countdown Arc.
Despite being a demon, Tamayo is kind-hearted, wise, and a genius. She doesn’t devour humans for her blood lust instead buys it from blood donors. After turning into a Demon she was one of the few who was able to regain retain her human emotions to some extent.
With long dark brown hair, parted in the center and word braided back into a large, low bun, Tamayo takes a form of a very beautiful woman aged more than 500 years.
1. Muzan Kibutsuji
Muzan Kibutsuji, The Demon King, is the main antagonist of the series. He also is the forefather of all the Demons out there. He also happens to be the leader of the Twelve Kizuki, an organization of the twelve strongest demons in existence who serve under him.
His plan is to become eternal since he became a demon a millennium ago. He has two plans for eternal life. The first one is the Blue Spider Lily whereas the second one is to create more demons in hope that one day one would be able to conquer their weakness of sunlight. He lived up to 1000 years, about a millennium, until he was killed by the Demon Slayer Corps.