Getting Adopted

What if Harry Potter had a twin brother? What if his brother is Percy Jackson? Everything belongs to J.K.Rowling and Rick Riordan. I might change appearances a little though. And I might make some stuff up. All of it belongs to Rick Riordan and J.K. Rowling.
*Finished
I'm way to lazy to change any of the wrong info. sorry. I know it's there and I will defend myself by saying I wrote this like three years ago.