Kelcie Mattson is a Senior Features author at Collider. Based in the Midwest, she also contributes Lists, reviews, and television recaps. A lifelong fan of niche sci-fi, epic fantasy, Final Girl ...

It's Pippi Longstocking's birthday. Why does everyone admire the strongest, bravest and most independent girl in the world? A children's book classic has the answers. "Allow me to introduce myself: ...