Because you like Burt Chance in Raising Hope
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
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.
The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
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.
Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.