Because you like Hedwig in Hedwig and the Angry Inch
Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.
A kind and funny valedictorian, Gwen Stacy likes to make out with Spider-man when her homework's done. See them in Marvel Cinematic Universe.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.
Noah Calhoun is lost without Allie, who seems to have moved on. See them in The Notebook.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.
A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.
Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.