Because you like Josh Chan in Crazy Ex-Girlfriend

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

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

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.