Writing Prompt: Hero of Mystery

Heroes often have mysterious origins. If you don't believe me, read Carl Jung or Joseph Campbell, or check out this nifty list of literary archetypes from Hillsborough Community College in Florida, or just go watch Star Wars again.

On the Hillsborough list of archetypes, one thing typically seen in a heroes journey is that "The origin of the hero is mysterious or the hero losses his/her parents at a young age, being raised by animals or a wise guardian."  For today's writing exercise, create a hero, think of his background, and describe the 

origin of a hero.