Because you like Moist von Lipwig in Discworld

Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.

Nandor is a relentless vampire who never admits he's wrong, loves glitter, and can't use a tablet. See them in What We Do In The Shadows.

Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

A brilliant graduate student in Italy for "research," Oliver has other things on his mind: flirting, swimming, and dancing. See them in Call Me by Your Name.

Sabriel is smart enough to understand the dangers that await her and brave enough to face them anyway. See them in Abhorsen Series.

Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

With his perfectly combed hair and flashy military outfits, France can charm the pants off of anyone—well except his fellow nations, it seems. See them in Axis Powers Hetalia.

Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.