Ishihara Gojin (March 15, 1923 - June 19, 1998) was a Japanese illustrator. His other pen name is Hayashi Gekko. Real name: Toru Ishihara. Born in Taisha-cho, Hyogawa-gun, Shimane Prefecture. At the age of 18, he went to Manchuria to draw movie billboards. Due to poor health, he began working as an illustrator around 1955. He continued to draw energetically for the next 40 years.
He started with movie signboards at a time when there was no television, illustrations for Kobunsha's Edogawa Rampo series (only a few volumes, including "Magical Dolls"), children's books on bizarre subjects such as the Jaguar Backs series by Tatekaze Shobo, the "Why-Na-Gaku Encyclopedia" series by Shogakukan, monsters, ghosts, yokai (monsters, monsters, ghosts, and apparitions) for various companies' yearbooks, boys' and girls' magazines, and other magazines. He has also created illustrations of monsters, monsters, ghosts, yokai, and bizarre phenomena for school yearbooks, boys' magazines, and girls' magazines. After entering the Heisei era, he covered illustrations for subculture magazines, trend magazines, and even home video game magazines.
He also did rich illustrations for gay and SM magazines under the name of Hayashi Gekko.
His painting style was influenced by Norman Rockwell.  His motto was "A man of high class is a man without likes and dislikes," and he painted whatever he was ordered to do, regardless of the field. The fields he worked on ranged from picture storyboards, movie billboards, castoff magazines, study magazines, boys' magazines, girls' magazines, entertainment magazines, newspaper novels, dramatic pictures, advertisements, and American comics. He even created the packaging and wrapping paper for Cisco's Captain Ultra Chocolate and drew a Super Mario Bros. picture for Famitsu. He has even drawn a Super Mario Bros. picture for Famitsu magazine.