Because you like Ginny Weasley in Harry Potter Series
Tidus is upbeat, carefree, and desperate not to become his father. See them in Final Fantasy Series.
It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
Dazai Osamu's last goal in life would be to commit double suicide with a beautiful woman. Unfortunately, no one he meets seems to share the same interest. See them in Bungou Stray Dogs.
If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.
Major Marquis Warren is a talkative, sharp-eyed, and cold-hearted Civil War soldier-turned-bounty hunter. See them in The Hateful Eight.
Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.
We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.