Because you like Lt. Commander Data 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.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.
James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..