Because you like Anya Jenkins in Buffy the Vampire Slayer
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Misato Katsuragi is never without a beer in her hand or her pet penguin by her side. See them in Neon Genesis Evangelion.
Ellie is more world-weary than most 14-year-olds. You would be too if your world was infested with zombies. See them in The Last of Us.
After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .
Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.
Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.
Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.