Because you like Beatrix Kiddo in Kill Bill vol. 1
Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.
Klaus Hargreeves is funny, flirty, and high at any given moment, but he's also the most emotionally literate of his super-powered siblings. See them in The Umbrella Academy.
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.
Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.
Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.
Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.
Misato Katsuragi is never without a beer in her hand or her pet penguin by her side. See them in Neon Genesis Evangelion.
An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.
Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.