Because you like Jenna Rink in 13 Going on 30
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.
How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.
Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..
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.
Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.
For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.
If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.
Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.
Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).
The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.