Tetsuya and Akio Chiba: brothers who grew up in Manchuria China who eventually became mangakas. Testuya is known for "Ashita No Joe", and Akio (died 1984) was known for sports manga like "Captain" and "Play Ball".
Tsuge Yoshiharu: mangaka and essayist known for incorporating surrealism in his works
Ore wa Teppei (1973-1980): Kid grows up in the forest with his father, acclimates to society
Notari Matsutarō (1973-1998): sports manga about a sumo wrestler balancing sports and life
Captain (1972-1979): covers the story of 4 high school baseball captains
Major (1994-2010): chronicles a child's baseball journey to the MLB
Ganbare Genki (1976-1981): a boy raised by a single father boxer, wants to become just like his dad one day
Ōoku: The Inner Chambers (2004-2020): based in Edo Period Japan, manga with romance and historical intrigue
Higanjima (2002-): a kid's older brother is trapped on an island inhabited by vampires. He goes to rescue him.
Planet of Cotton Country (1978–1987): a cat falls in love with her owner and becomes a girl in her mind
Shoot! (1990-2003): school soccer love-triangle manga
Avdol/JoJo reference: In Stardust Crusaders, Avdol gets shot in the head by Hol Horse and the gang ends up on an island to fight a stand user. Avdol is also there but pretends to be his dad in order to trick him and Polnareff.
Manga re-enactment scenes:
Shigurui, "無明逆流れ"
Avan Strash: Special technique from Dragon Quest Dai, the MC uses an underhand grip so it's more powerful or whatever