Because you like Ianto Jones in Torchwood

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

Mikey Waters would rather sell his body than rob anybody. See them in My Own Private Idaho.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.

Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..