Because you like Martha Jones in Doctor Who
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Darlene is a free-spirited hacktivist who follows her own moral compass. See them in Mr. Robot.
Poussey Washington is a former army brat who loves to read and loves her friends. See them in Orange Is The New Black.
Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.
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.
This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.