Daisuke Namikawa is a Japanese actor and singer associated with Stay Luck. He began acting as a child and is sometimes mistaken with Daisuke Hirakawa, as their names only differ by one character when written in kanji. Despite his wide range of roles, he usually plays young heroes, such as Mikage in 07-Ghost, Fay D. Flourite in Tsubasa: Reservoir Chronicle, Jellal Fernandes and his counterpart Mystogan in Fairy Tail, Rokuro "Rock" Okajima in Black Lagoon, Jack The Ripper in Black Clover, Keita Ibuki in Black God, Goemon Ishikawa XIII in later instalments of Lupin the Third, and Yu Narukami in Persona 4. He has also been cast as anti-heroes or antagonists, such as Ulquiorra Cifer in Bleach, Hisoka Morow in Hunter × Hunter (2011), Kei Kurono in Gantz, Eustass Kid in One Piece, Dr. Genus in One Punch Man, Chōsō in Jujutsu Kaisen, Tōru Oikawa in Haikyuu!!, Kishō Arima in Tokyo Ghoul, and Momoshiki Otsutsuki in Boruto: Naruto Next Generations.

Black God is a Japanese-Korean manga series written by Dall-Young Lim and illustrated by Park Sung-woo. Square Enix published the manga in Japan's bi-monthly seinen magazine Young Gangan. The story is initially set in modern-day Tokyo, then changes to the island of Okinawa in the middle of the story. The word "Black" in the title refers to the character Kuro (黒), as it means black in Japanese. "God" in the title refers to the fact that Kuro is a superhuman, or "Tera Guardian". In France and other French-speaking countries and territories, the manga goes under the name Kurokami: Black God.