Growing up with a sibling, they know you so well. You live together, have to share everything, have deal with your parents. They can be your closest ally or your ultimate enemy - often probably at the same time.
Radio producer Al Letson was born in the crucible of fire and conflict. His chief tormentor/protector — Big Brother Almighty. Because every superhero needs an origin story.
Hear the story on the first episode of Letson's ERRTHANG podcast, here.