An absolute cornerstone in shounen anime, is based on the long-running manga by Akira Toriyama, which in turn is based on the Chinese novel Journey to the West.

Source: https://screenrant.com/all-time-longest-running-anime/

As two of the animanga community's "dark trio of shounen", these series use more serious themes to give the audience a fresh, gory take on the genre.

Source: https://www.cbr.com/chainsaw-man-denji-jujutsu-kaisen-gojo-both-became-father-figures/