Makunouchi Ippo (Character) - Giant Bomb

Main protagonist from the boxing anime/manga called "Hajime no Ippo" (also known as Fighting Spirit).

History Behind Grave of the Fireflies

ハクメイとミコチ 4 [Hakumei to Mikochi 4] by Takuto Kashiki

Hajime no Ippo Fighting Spirit Ippo Makunouchi Figure Ballchain JAPAN ANIME 2 - Japanimedia Store

Makunouchi Ippo screenshots, images and pictures - Giant Bomb

Characters

The Legacies of the Atomic Bomb in Anime

Attack on Titan' Publisher Kodansha Searches for Next Manga Hit - Bloomberg

Hajime no Ippo (Franchise) - Characters - Behind The Voice Actors

Hajime no Ippo Fighting Spirit Ippo Makunouchi Figure Ballchain JAPAN ANIME 2 - Japanimedia Store

Hajime no Ippo: Best Memorial, Wiki Ippo