Because you like Samantha Baker in Sixteen Candles
Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.
One of Freddie Mercury's songs is "We Will Rock You." And does he ever! See them in Bohemian Rhapsody.
Gloria Delgado-Pritchett's big personality is rivaled only by her big heart. Wait, did we mention she's gorgeous? See them in Modern Family.
Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Willow Rosenberg may be a witch who can defeat the forces of evil, but she still gets emotional over kittens on the Internet. See them in Buffy the Vampire Slayer.