Shonen anime characters are known for being dynamic. Most shonen shows involve epic battles and supernatural powers that make many of the characters into superheroes. Other, more realistic shonen tales focus a lot on character development and growth. These aspects are mostly attributed to the series' protagonists. Yet, many shonen side characters have just as much of a bombastic presence as the main characters.
Source：https://www.cbr.com/underrated-shonen-anime-characters/
