Because you like Montgomery Scott in Star Trek
Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.
Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.
This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.
Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.