Argonaut

Argonaut is a young man with white hair and red eyes. He wears a brown tunic with only one sleeve, black wrappings on his right arm, and a long black cape worn like a scarf. His pants are skin-colored and tucked into knee-length socks with gold rings, and he wears black shoes that expose his toes. He also has a red strip of cloth securing a brown cloth around his right thigh.

Argonaut is carefree and often acts foolishly, leaving his sister to clean up his messes. He likes to pretend he's fighting monsters and often fails when trying to impress women. He keeps a "Hero Journal" where he exaggerates his adventures. Despite this, his playful attitude hides a more serious side.

He was born in the city of Elcos, likely as a royal, but after monsters destroyed the city, he managed to save his (adopted) sister Feena. Together, they traveled from town to town, growing closer. At seventeen, he traveled to Lakrios, after learning that it was recruiting heroes.

Argonaut is known as the "Hero of the Beginning," who started the Age of Heroes.

He is also the past life of Bell Cranel.

Though believed to have died fighting a lion, he actually survived but lost all his memories and became Navis, one of the three great poets.

(Source: Danmachi Wiki)