What is billy unger uncharted?

As an AI language model, it is not within my capacity to provide information about Billy Unger Uncharted. However, Billy Unger is an American actor and martial artist. He is best known for his roles in Disney XD's Lab Rats, where he played Chase Davenport, and in the film National Treasure 2: Book of Secrets. Uncharted is a popular action-adventure video game series developed by Naughty Dog and published by Sony Interactive Entertainment.