Theses characters are in my opinion, the 3 best video game heros ever.

Leon Belmont: Castlevania Lament Of Innocence

Defeater of death himself and has the most amazing story.

Kratos: God Of War I-III

Probably more villian than hero Kratos defeated all the gods of Olympus and no matter what will not die.

Cloud Strife: Final Fantasy VII

Very popular hero, perhaps the best ever and the best there ever will be!

Again these are all in my opinion, enjoy!