Because you like Peggy Olson in Mad Men
The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.
It turns out breaking open an ancient cursed statue will do funny things to a girl like Enchantress. See them in Suicide Squad.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.
Tattoos, bad boys, and heroin: Jane Margolis is learning that some vices are more dangerous than others. See them in Breaking Bad.
Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.
Elio Perlman likes the piano, peaches, and his father's new research assistant a little too much. See them in Call Me by Your Name.