Because you like Mary Poppins in Mary Poppins
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.
Jillian Holtzmann's madcap mind is always whirring and she will transform anything into one of her machines. See them in Ghostbusters (2016).
Bumbling, jolly, and loyal, Rubeus Hagrid has the uncanny ability to make the best of a bad situation. See them in Harry Potter Series.
Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.
Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.