Because you like John McClane in Die Hard
Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Anakin Skywalker is said to be the chosen one, who will destroy the evil Sith. But he struggles with Jedi ideals as he grows in power. See them in Star Wars Series.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.
Tina Belcher is on the cusp of puberty, and she has no shame when it comes to boys, butts, and brassieres. See them in Bob's Burgers.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.