Adam

Adam was The Father of Humanity, the first and original man created in the image and likeness of a God. He is the man of File No.00000000001 and was referred to as the "Hope of Humanity."

[Spoiler] He fought to the death against Zeus in the second round of Ragnarok, losing his life in the process on behalf of his children, humanity. [/Spoiler]

(Source: Shuumatsu no Valkyrie: Record of Ragnarok Wiki)