What non Naruto character would be a great shinobi?

[Necron]

Atem, Kaiba & Bakura from Yugioh
Zane from Yugioh GX... (actually, pretty much everyone from GX, except Cyrus... Those damn brats were jumping down cliffs like ninjas oO )

 

[Roger23]

batman. captain america. and more...

 

[soulless uchiha]

Revy from Black lagoon.

epicness right there my friend

 

[F1N1X]

Leonardo DiCaprio

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[ahmadmaher]

gon and killua from hunter x hunter batman and robin or terra from teen titians because robin has excellent ninja taijutsu and terra has the earth element

 

[Shisui Namikaze]

Hiei from yu yu hakusho would be a awesome shinobi

 

[MacMiller]

Hercules from DBZ.

 

[slashestranged]

charzard would be a good summon animal

 

[Black Adam]

Jean Starwind from Outlaw Star; Spike and Jett from Bepop;

 

[Kordelius]

i would say CP9 from one piece..
soi-fon, yoruichi from bleach
from avatar the benders... can't think of more from the tip of my tongue

 

[MizuroHyuga]

Wolverine would be great.

 

[irukaumino26]

Vegeta would make a crazy shinobi.
Vegeta would probably train more than Gai, and would probably be the #1 taijutsu expert. But he would also be skilled in Ninjutsu. Combined with his no-nonsense attitude, I could see him on Madara's level.