Because the author’s avatar is a crocodile, he is called Teacher Crocodile.

The author of "Demon Slayer: Kimetsu no Yaiba", Goto Koseharu's avatar is a crocodile, and crocodile images often appear in comics. Gotoge Koseharu (May 5, 1989 -), Japanese cartoonist , born in Fukuoka Prefecture. The representative work "Demon Slayer". Starting in February 2016, Goto Koushiharu serialized the manga "Demon Slayer: Kimetsu no Yaiba".

The character experience of Goto Koushiharu in "Demon Slayer: Kimetsu no Yaiba"

"The crocodile wearing square glasses" is the author's self-portrait. The author has never officially revealed her true identity, nor has she attended promotional events for her work, and is generally presumed to be a woman.

As for my favorite comics, the answer is: "I like everything from "JoJo's Bizarre Adventure" to "Crayon Shin-chan"." The work is greatly influenced by "JoJo's Bizarre Adventure". I also like "Gintama", and the funny parts come from this work. On February 17, 2021, he was selected as one of the annual Top 100 Next Generation Figures by Time Magazine, the only Japanese selected. On April 28 of the same year, he won the 25th Osamu Tezuka Award from the Ministry of Education, Culture, Sports, Science and Technology.

After the 19th episode of the "Demon Slayer: Kimetsu no Yaiba" animated version was aired in 2019, comic sales began to skyrocket. Sales exceeded 120 million within one year, breaking the record of "One Piece" as the best-selling manga in the history of Japanese comics. With records of almost over 100 million, the highest average sales per volume, and the highest annual sales, "Demon Slayer: Kimetsu no Yaiba" has become the most popular manga in Japanese domestic history.