Because you like Margaret Houlihan in M*A*S*H
Chloe Decker's case should be open-and-shut. But something seems to be troubling her, something about Palmetto Street. See them in Lucifer.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.
Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.
Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.
When Andrew Neiman is not in classes during the day, he's rehearsing his drums until his hands bleed at night. See them in Whiplash.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.
Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.