Because you like Donna Noble in Doctor Who

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Sokka is the group's self proclaimed comedian, occasionally he'll even make people laugh! See them in Avatar: The Last Airbender.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

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.

Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.

When his friend goes missing, Lucas Sinclair is ready to fight. All of the Dungeons and Dragons is really paying off. See them in Stranger Things.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

Jim Hopper is a weary and beaten down police officer who numbs his pain through beer, pills, and cigarettes. See them in Stranger Things.