The actor who play Frankie Carbonne in Goodfellas, Frank Sivero, is suing the Simpspons and Fox for use of likeness rights or some such, claiming the Louie character in the Simpsons, is based off his character from Goodfellas.
He claims he was never compensated for the use of his character, that he created, even though he was promised a movie deal or "something in the future". Well he's asking for 250 million dollars. Louis has appeared in about 12 episodes of the Simpsons.
That's a whole lot of compensation. Read more.