Because you like Bobby Singer in Supernatural
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.
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.
A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.
Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.