An anime character who is determinate

Naruto...

Death the Kid is pretty determined with the following:
-Wanting to be like his father
-Destroying the Kishin
-Protecting the school
-Killing the witches
-Making everything perfect

Rin is determined to defeat satan.

I think anda mean determined, yeah? ^_^"
In any case, Lelouch~

Edward Elric

Ash Ketchum is determined to become a Pokemon Master.

Kira n L.

these girls are determined to kill each other

Akira Soma