Because you like Yugi Moto in Yu-Gi-Oh!
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.
Daenerys Targaryen will take what is hers with fire and blood. Thankfully, she has some dragons by her side. See them in Game of Thrones.
Remy could be a five star Michelin chef, the only problem is that he is quite literally a rat. See them in Ratatouille.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
Yes, she's an "older" woman, but that just makes Mrs. Robinson sexier and more seductive. See them in The Graduate.
If it were up to her, Merida would spend her days practicing archery and swordfighting, riding her horse, and exploring the Highlands. See them in Brave.
Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.
The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.
Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.
Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
Dean Forester is just your friendly, neighborhood grocery bag boy. See them in Gilmore Girls.