Because you like Ruth in Never Let Me Go
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.
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.
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.
Bob Belcher runs a lonely burger joint, and even though his wit is lost on his eccentric family, he doesn't let that faze him. See them in Bob's Burgers.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.
Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.