Because you like Satine in Moulin Rouge
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.
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
Although she's the queen of killer comebacks and one-liners, Janis Ian is honest about her feelings and cares deeply about her friends. See them in Mean Girls.
If the benchmark is extraordinary, what do you do if you're not like Vanya Hargreeves? See them in The Umbrella Academy.
To cope with injustice, Connor finds meaning in his strict and unbreakable code of honor. See them in Assassin's Creed Series.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
One of Freddie Mercury's songs is "We Will Rock You." And does he ever! See them in Bohemian Rhapsody.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.