Percy's Secret Identity

Percy's family don't treat him that well, they don't hit him or anything but they kind of abuse him mentally, and his siblings make fun of him most of the time.
The only place Percy feels like he can be himself and have fun is in the forest near a big lake. He feels happy there, where He can play and run around without being told he is in the way or being made fun of.
One day a mermaid adopted him