Thorfinn "Karlsefni, Son of Thors, Thorfinn Thorsson"
About
After his father's death, Thorfinn grew up on the battlefield and became a skilled warrior. His style is emphasized by dual-wielding two knives, as well as using throwing knives, and he has impressive durability.
Thorfinn is the fictionalized version of his historical counterpart, Icelandic explorer Thorfinn Karlsefni.
(Source: Vinland Saga Wiki, edited)