Simplify the following text for a Grade 8 native English-speaking person.
Original: Milo Anthony Ventimiglia ( born July 8 , 1977 ) is an American television actor best known for his role of Peter Petrelli on the TV series Heroes .
Simplified: Milo Anthony Ventimiglia ( born July 8 , 1977 ) is an American actor . He is best known for playing the hero , Peter Petrelli , on the television series , Heroes .