Because you like Martha Jones in Doctor Who
Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.
There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.
Applejack's practicality complements her caring nature. She is the loyalest of friends and the most dependable of ponies. See them in My Little Pony.
Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.
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.
Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.
With an incredible ability to fake a smile, Selina Meyer is a gifted politician serving as Vice President. And maybe one day the President will actually call her. See them in Veep.
This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.
Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.
Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.
Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.