Because you like Lt. Commander Data in Star Trek: The Next Generation

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.

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.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

Curving free kicks and crosses is tough, but keeping her soccer passion from her disapproving family is way tougher for Jess. See them in Bend It Like Beckham.

Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.

V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.

Troy Bolton is a triple threat: singing, dancing, and basketball. See them in High School Musical.