Because you like Jack Byrnes in Meet the Parents

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.

Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

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.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.

Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .

Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.

Dewey Finn will rock you. He feels rock and roll in his blood and guts. See them in School of Rock.