Because you like Addison Montgomery in Grey's Anatomy

Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.

Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

WALL-E is a quirky little romantic robot cleaning the wasteland known as Earth. See them in WALL-E.

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.

Misato Katsuragi is never without a beer in her hand or her pet penguin by her side. See them in Neon Genesis Evangelion.

We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Winry Rockbell is an energetic tomboy mechanic with an empathetic streak. See them in Fullmetal Alchemist.

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.