Penny is the deuteragonist of Disney's 2008 computer-animted feature film, Bolt.

Penny is a beautiful 12 year old child actress who co-stars with her dog, Bolt, in a popular children's television show. Penny is forced by the filmmakers to make her dog believe the show is real, which eventually causes Bolt to run away due to his superhero mentality during a taping.

Penny was voiced by American actress and singer-songwriter, Miley Cyrus as an older girl, and by Chloë Moretz as a little girl.