Because you like Khan Noonien Singh in Star Trek Into Darkness

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

A lone wolf with a confrontational streak, Bigby wants to dedicate his life to doing good. See them in The Wolf Among Us.

Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.

Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.

Tattoos, bad boys, and heroin: Jane Margolis is learning that some vices are more dangerous than others. See them in Breaking Bad.

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.

Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.