Because you like Lawrence Talbot / The Wolfman in The Wolfman
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.
Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.
Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.
Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.
Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.
World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.