Because you like Morticia Addams in The Addams Family

After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Quirky and wildly imaginative, Amelie finds joy in the unnoticed things in life and aspires to bring happiness to all. See them in Amelie.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Funny, bubbly, and relaxed, Emma has a magnetic personality that makes her the life of the party. See them in Blue is the Warmest Color.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.

Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.