[Jonouchi]

Here's a list for you, complete with Wiki links wherever possible.

Anime:

Fukuda Shinta (Bakuman)
Ichigo Kurosaki (Bleach)
Grimmjow Jaegerjaquez (Bleach)
Ikkaku Madarame (Bleach)
Keigo Asano (Bleach)
Renji Abarai (Bleach)

Gohan (Dragon Ball Z / GT)
Goku (Dragon Ball / Z / GT)
Jeice (Dragon Ball Z)
Yamcha (Dragon Ball / Z / GT)

Taro 'Monta' Raimon (Eyeshield 21)
Yoichi Hiruma (Eyeshield 21)

Gray Fullbuster (Fairy Tail)
Kageyama (Fairy Tail)
Natsu Dragneel (Fairy Tail)

Dorochet (Fullmetal Alchemist)
Greed (Fullmetal Alchemist)
2nd Lt. Jean Havoc (Fullmetal Alchemist)
Ling Yao (Fullmetal Alchemist)

Kondou Isao (Gintama)

The Captain (Hellsing)
Pip Bernadotte

Koga (InuYasha)
Inuyasha (InuYasha)

Toya (Moribito: Guardian of the Spirit)

Kiba Inuzuka (Naruto)
Naruto Uzumaki (Naruto)

Kaku (One Piece)
Monkey D. Luffy (One Piece)
Roronoa Zoro (One Piece)
Trafalgar Law (One Piece)

Mako Tsunami (Yu-Gi-Oh!)
Rex Raptor (Yu-Gi-Oh!)
Crow Hogan (Yu-Gi-Oh! 5Ds)

Yusuke Urameshi (Yu Yu Hakusho)
Jin (Yu Yu Hakusho)

Video Games:

Bartz Klauser (Final Fantasy V / Dissidia)
Zell Dincht (Final Fantasy VIII)
Blank (Final Fantasy IX)
Marcus (Final Fantasy IX)
Zidane Tribal (Final Fantasy IX / Dissidia)
Tidus (Final Fantasy X)
Wakka (Final Fantasy X)

Furio Tigre (Phoenix Wright: Trials and Tribulations)
Larry Butz (Phoenix Wright / Justice For All / Trials and Tribulations)
Shi-Long Lang (Ace Attorney Investigations: Miles Edgeworth)

Brawly (Pokemon Ruby / Sapphire / Emerald)
Bruno (Pokemon Red / Blue / Yellow / Gold / Silver / Crystal / Fire Red / Leaf Green / Heart Gold / Soul Silver / Stadium / Stadium 2)
Saturn (Pokemon Diamond / Pearl / Platinum)

Anji (Suikoden)
Gremio (Suikoden / II)
Pahn (Suikoden / II)
Sydonia (Suikoden)
Viktor (Suikoden / II)
Yam Koo (Suikoden / II)
Amada (Suikoden II)
Culgan (Suikoden II / Suikogaiden)
Gijimu (Suikoden II / Suikogaiden 2)
Luca Blight (Suikoden II / Suikogaiden)
Rikimaru (Suikoden II)
Seed (Suikoden II / Suikogaiden)
Shilo (Suikoden II / Suikogaiden)
Sid (Suikoden II)
Solon Jhee (Suikoden II)

Ashton Anchors (Star Ocean: The Second Story / Evolution / Blue Sphere)
Bowman Jeane (Star Ocean: The Second Story / Evolution / Blue Sphere)
Claude C. Kenni (Star Ocean: The Second Story / Evolution / Blue Sphere)

That's all for now. I may update the list later as I think of more. My memory's not very good, you see.