Several years after playing the powerful cheerleader Claire on Heroes, Hayden Panettiere was cast as smart Kirby Reed in Scream 4, and she quickly became a favorite character in the slasher franchise. Kirby has a strong personality that stands out, which is why I appreciate her. Kirby knows who she can and can't trust and she doesn't pause to think about what other people think about her. She does her own thing, and that's admirable.