Because you like Lotso in Toy Story
Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.
Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Through raised to be a gentleman, Laurie has a mischievous sense of humor. See them in Little Women.
Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.
Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.
Talos is a mysterious military commander skilled in the art of deception. See them in Marvel Cinematic Universe.
Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.