Because you like Manuel Calavera in Grim Fandango
Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
Alien insists on taking the party with him wherever he goes. And if you're lucky, you'll get to see his gun collection. See them in Spring Breakers.
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.
George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.
If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).