Because you like David Rossi in Criminal Minds

Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.

Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).

When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.