Because you like Gimli in The Lord of the Rings

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.

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.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.