Amakusa Jirou is an Olympic gold medalist who has turned pro. 

(Source: Anidb)

Hatanaka Kosaku, a hopeful boxer, has a mean KO punch. Unfortunately, his dietary willpower is weak, and he regularly eats greasy hamburgers right before a bout. As a result, he has to compete in higher weight classes and as soon as he takes an abdominal punch, he vomits, which causes him to lose the match in shame. As he tries to grapple with his weak will, he meets Sister Angela, a novitiate at a local convent. While Sister Angela strives to help Hatanaka in his endeavor, he seems to make her training to be a nun more difficult.

**Non-anime roles:** 
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- Amon in "Double Dragon" (Neo-Geo) (VG)
- Dhaos in "Tales of Phantasia" (VG)
- Diva in "Farland Story: Yottsu no Fuuin" (VG, Japanese)
- Dr. Baldhead in "Guilty Gear" (VG)
- Gray Fox in "Metal Gear Solid" (VG, Japanese)
- Hyo Imawano in "Rival Schools" (VG, Japanese)
- Jareth, the Goblin King in "Labyrinth" (Jim Henson movie, Japanese)
- Jimmy Lee in "Double Dragon" (Neo-Geo) (VG)
- Larva in "Kyuuketsuhime Miyu Seiyou Shinma-hen" (drama CD, Japanese)
- Luke Skywalker in "Star Wars" (original trilogy, Japanese)
- Memphis in "Magic School Lunar!" (VG, Japanese)
- Mr. X in "Metal Gear Solid 2: Sons of Liberty" (VG, Japanese)
- Ootori Noboru in "La Vie En Rose" (Drama CD, Japanese)
- Ostracon in "Emerald Dragon" (Drama CD, Japanese)
- Rei in "Hokuto no Ken: Seikimatsu kyûseishu densetsu" (VG)
- Zato-One in "Guilty Gear X" (VG)
- Zato-One in "Guilty Gear" (VG, Japanese) 
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Jiro Amakusa