lone wolf and cub
(こづれ おおかみ, Kozure Ookami)
A 1970s comic by writer Koike Kazuo and artist Kojima Gouseki. It follows the adventures of swordsman Ogami Ittou and his young son Daigorou as they wander Shogunate-era Japan seeking revenge for Ittou's disgrace and his wife's death.
References
- Wikipedia: Lone Wolf and Cub