Because you like Mary Poppins in Mary Poppins
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
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.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.
Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.
People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.
Bookish and socially anxious, Ruby Roundhouse is a teenager turned action heroine. See them in Jumanji.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.