Lucius Needful

Lucius Needful (or simply Mr. Needful) Is a mysterious man who owns a strange store of antiquities and was on one occasion the boss of Summer Smith in episode "Something Ricked This Way" of the hit animated sci-fi comedy series Rick and Morty. At the beginning of meeting with Rick Sanchez, points out that he is The Devil himself, due to the peculiar artifacts that he gave to those buyers who were going to his shop, until the end if it was true.

Personality
Lucius at first seemed to be a kind and educated man when he introduced himself, without realizing that he truly has a sinister, manipulative and treacherous mentality, implying that he was a demon embodied in a human being, In the instance where rick made money by undoing the spells of his victims, trying to commit suicide.

History
He receives joy in giving unsuspecting customers cursed items, and does his best to ensure he runs a successful business. It's later revealed that he is, in fact, the Devil.

While his relationship with Summer starts off strong, he eventually would toss her aside when his next business n33dful.com would take off. Mr. Needful and Rick quickly developed a dislike for each other, and Rick took great joy in ruining Mr. Needful's shop by creating the anti-cursing business Curse Purge Plus!.

Trivia

 * Mr. Needful and his shop, Needful Things, is a parody of the novel "Needful Things" by Stephen King.
 * He is voiced by Alfred Molina.
 * Mr. Needful "Zuckerberging" Summer might be the result of her use of a monkeys paw, as it was the one item left that was still cursed.