Because you like Sabrina Fairchild in Sabrina
Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.
For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.
A plucky 13-year-old with a flair for the dramatic, Kiki is a witch in training. See them in Kiki's Delivery Service.
Years of constant assault by mean classmates, rude teachers, and her abusive mother is making Carrie White want to fight back. See them in Carrie.
Jade Jade Harley might not be the best at reading social cues, but her bravery and selflessness means she's a great friend to have. See them in Homestuck.
Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.