10 most common traits for Shonen anime deuteragonists

If there's one thing shonen anime is known for, it's having the protagonist(s) and deuteragonist(s) matter to the story being told.

Ranking Every Anime Deuteragonist By Likability

Underrated Anime Arcs

Mostly Shonen Manga — Part 1 of An Entire Presentation about Bakugo

10 anime where the deuteragonist is better developed than the main character

Why is the deuteragonist usually more popular than the protagonist in most anime series? - Quora

How To Write A Manga Deuteragonist (Secondary Main Character)

Create a The Ultimate Shonen Deuteragonist Tier List - TierMaker

The Ultimate Shonen Deuteragonist Tier List Ft. The Masked Man & Zhoniin

Why does every shonen protagonist have a tragic backstory? Is there any Shonen protagonist that doesn't have? - Quora