Vincent Michael Martella (born October 15, 1992) is an American actor best known for providing the voice of Phineas Flynn in the Disney Channel original animated show Phineas and Ferb, which ran from 2007 to 2015. He is also known for his role as Greg Wuliger in Chris Rock's hit show Everybody Hates Chris (2005–2009), and providing the voice of Hope Estheim in the 2010 video game Final Fantasy XIII and its sequels Final Fantasy XIII-2 (2011) and Lightning Returns: Final Fantasy XIII (2013).