Vincent Martella

Vincent Michael Martella (born  October 15,  1992) is an American teenage actor and occasional singer. He is best known for his role as Greg on The UPN/CW period television sitcom  Everybody Hates Chris from  2005 to  2009, and the voice of  Hope Estheim in  Final Fantasy XIII and its sequel.

He is the voice of Phineas Flynn in the Disney Channel animated series Phineas and Ferb. He told fans about his audition process and the audio clip towards it. He says that the creators thought the voice should be higher pitched after the episode Rollercoaster.