Most OPed/Broken character(s) in VG history?

[Wright]

kupomogli said:

Kazuma Kiryu from Yakuza.  On Yakuza 4 since there are additional characters you now have others to compare him to and he's easily the best of the four.

Heh, the game itself compares them. Although it is never shown if Kazuma could really beat Saejima.