Because you like Mia Wallace in Pulp Fiction
On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.
Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.
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.
When Andrew Neiman is not in classes during the day, he's rehearsing his drums until his hands bleed at night. See them in Whiplash.
Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.