|This article is about the actor of Patrick. You may be looking for the actor of Oscar.|
Martella was born in Rochester, New York, to Donna and Michael Martella, who owns a pizza chain. He was raised in Florida, and is of Italian descent.
He delivered his first live performance in The Nutcracker. Soon after, he was performing in school plays, appearing in local and National commercial spots, and training in acting, piano, and vocals.
By age seven, Martella was already a big commodity in the Central Florida commercial market, working both print and national commercials.
- He is the voice of Hope Estheim in the 2010 video game Final Fantasy XIII and its sequels Final Fantasy XIII-2 and Lightning Returns: Final Fantasy XII
- He is one of the three Everybody Hates Chris alumni to be cast on The Walking Dead. Vincent Ward is the first one, Martella is the second, and Tyler James Williams is the third.