Because you like Freddie Mercury in Bohemian Rhapsody
A daughter of a pair of superheroes, Hope van Dyne is scientist is brilliant and fearsome. See them in Marvel Cinematic Universe.
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
A formerly adventurous playboy, Will Traynor has become cynical by what life has thrown at him. See them in Me Before You.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.