Because you like Yelena Belova in Marvel Cinematic Universe
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Larger than life and wealthy beyond measure, Willy Wonka is more than a titan in the sweets industry; he is an arbiter of taste. See them in Charlie and the Chocolate Factory.
Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.
Rory Gilmore usually can be found with her nose in a book and coffee in hand, talking with her mom as quickly as the words can spill out. See them in Gilmore Girls.
Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .
For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.
Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.
Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.
Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.
Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.