Because you like Violet Harmon in American Horror Story
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.
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.
Simon Spier has long known that he's gay, but he doesn't know how to open up about that – even to his closest friends See them in Love, Simon.
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.
Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.
Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.
Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.
Sally Albright is high maintenance who she thinks she's low maintenance. But she's still worth it. See them in When Harry Met Sally....