BRZRKR

BRZRKR is a franchise comprising of a comic book, a live action movie and an anime that tells the story of "B" - half-mortal and half-god wandering earth for centuries and looking a way to end his immortality.

Plot
BRZRKR is a brutally epic saga about an immortal warrior's 80,000 year fight through the ages. The man known only as "B" is half-mortal and half-god, cursed and compelled to violence... even at the sacrifice of his sanity. But after wandering the earth for centuries, B may have finally found a refuge – working for the U.S. government to fight the battles too violent and too dangerous for anyone else. In exchange, B will be granted the one thing he desires – the truth about his endless blood-soaked existence... and how to end it.

Franchise

 * Comic - the original comic created by Keanu Reeves, written by Reeves and Matt Kindt, and illustrated by Ron Garney with colors by Bill Crabtree, letters by Clem Robins, and character designs and covers by Rafael Grampá.
 * Live-Action - a live-action adaptation based on the comic books.
 * Anime - an anime adaptation based on the comic books.