Hatori Sohma is one of the supporting of the Fruits Basket series and and cursed by the spirit of the dragon/seahorse of the zodiac.
In the 2001 anime series, he is voiced by Kazuhiko Inoue in the Japanese version of the anime, and by Kent Williams in the English version of the anime.
In the 2019 anime series, he is voiced by Kazuyuki Okitsu & Ikumi Hasegawa as a child in the Japanese version of the anime, and by Kent Williams and Bryn Apprill as a child in the English version of the anime.
He is depicted as a tall, somber man who is rarely amused by the antics of his best friends, Shigure and Ayame.
When his curse activates, Hatori transforms into a 8-centimeter (3.1in) long seahorse.
He is often the only one who can restrain Ayame's worst behavior, and is the only person Shigure trusts enough to talk about his schemes. He takes his duties to the Sohma family and as a doctor seriously, and warns Tohru about the dangers of getting too involved with the family.
Hatori is the private doctor to the Sohma family and is responsible for suppressing memories (using a form of hypnosis that is handed down in his line of the family) of those outsiders who discover the Sohma family secret, such as Yuki's childhood playmates.
Two years before the series began, he was engaged to Kana Sohma, the assistant in his doctor's office. The relationship ended when Hatori asked Akito for permission to marry Kana and in response, Akito attacked Hatori (in the anime, he threw a vase), leaving him almost blind in his left eye; Kana blamed herself for the incident and felt so guilty about it that Hatori was forced to suppress her memory of their relationship to ease her suffering.
When Tohru meets up with him near the end, he looks back on his time with Kana, then says his heart is like snow. After Kana marries someone else, Shigure manipulates Hatori into meeting Kana's best friend, Mayuko Shiraki, who secretly had always liked him.
In the last chapter, Hatori invites Mayuko on an Okinawa vacation.
- Hatori is around 26-28 years old.
- Hatori is the eleventh of the cursed Sohmas to have his curse broken.
- In an author's note, Natsuki Takaya described him as "the best marriage material of the cast."
- According to Shigure, this is a sign the zodiac curse has weakened.
- Takaya derived Hatori's name from the fourth month, konohatorizuki or "month of taking leaves (to silkworms)."
- His English voice actor, Kent Williams also voiced Charden Flamberg fin Black Cat, Mercenary Tao in Dragon Ball, Jura Neekis in Fairy Tail, Father fin Fullmetal Alchemist: Brotherhood, Akisame Kōetsuji in Kenichi: The Mightiest Disciple, Captain Kuro in One Piece, Alastor in Shakugan no Shana and Sid Barrett in Soul Eater.
- His English Child Voice Actress, Bryn Apprill, who also voiced Cyan in Show by Rock!!, Historia Reiss in Attack on Titan, Zenith Greyrat in Mushoku Tensei, Hiyori Iki in Noragami, Kotori Itsuka in Date A Live, Akeno Himejima in Highschool DxD, Bulla in Dragon Ball Super, Meredy in Fairy Tail, Tsugumi Harudori in Soul Eater Not!, Julie Sigtuna in Absolute Duo, Ibara Shiozaki in My Hero Academia, Akane Sakurada in Castle Town Dandelion, Miku in Darling in the Franxx, Yagyū in Senran Kagura, Shirahoshi in One Piece, Tail Red in Ore, Twintail ni Narimasu!, Mimosa Vermillion in Black Clover, Haruna in Kantai Collection, Himeko Momokino in Citrus, Izumiko Suzuhara in Red Data Girl, Hikari Takanashi in Interview With Monster Girls, Sumireko Hanabusa in Akuma no Riddle and Swim Swim in Magical Girl Raising Project.
- His first Japanese voice actor, Kazuhiko Inoue, who also voiced Madara in Natsume's Book of Friends, Kakashi Hatake in Naruto and Professor Ozpin in RWBY.
- His second Japanese voice actor, Kazuyuki Okitsu, who also voiced Fat Gum in My Hero Academia, Ciel Phantomhive (Adult), in Black Butler, Jonathan Joestar in Jojo's Bizarre Adventure: Phantom Blood, Seishin Muroi in Shiki, Naesala in Fire Emblem: Path of Radiance, Serpico in Berserk, Braeburn in My Little Pony: Friendship is Magic, and Marco Diaz in Star vs. the Forces of Evil.