Because you like Counselor Deanna Troi in Star Trek: The Next Generation

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Nandor is a relentless vampire who never admits he's wrong, loves glitter, and can't use a tablet. See them in What We Do In The Shadows.

Piper Halliwell is the most kind and caring Charmed One. See them in Charmed.

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.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.

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

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.