Because you like Geordi La Forge in Star Trek: The Next Generation

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

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

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

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

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.