Milo Ventimiglia plays "Peter Petrelli" on the show "Heroes". "Peter", who works as a male nurse, discovers his ability to mimic other people's powers at the beginning of the first season. Milo has moved on to star in many movies and TV shows over the years such as "Gilmore Girls", "Law & Order: SVU", "Gotham", "Grown Ups 2" and much more. He was in a relationship with his former co-star Hayden Panettiere from 2007 until 2009. He now stars in the NBC hit show "This Is Us".