 The same year, he was cast as Robert "Rocky Jr." Balboa, the son of Rocky Balboa, in the sixth "Rocky" installment "Rocky Balboa" which was released in December 2006.He starred as Peter Petrelli in the NBC program "Heroes", a show about "ordinary" people discovering they have superpowers, and portrayed the character until the series' conclusion in 2010.Ventimiglia also produced and developed a mini web-series called "It's a Mall World" as part of a marketing campaign for American Eagle Outfitters in 2007.