Because you like Ethan Tremblay in Due Date

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

His name is Olaf, he's a snowman, and he likes warm hugs. See them in Frozen.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.