Styling himself as "the Munificient" and giving the outward appearance of an honest businessman running a respectable business, Lorenzo is in reality a veritable loan shark. Quite willing to use physical force - via enforcers Guido and Leone - to exact payment from a customer, Lorenzo can grow extremely hostile when clients deviate from an agreement. He also claims that the Giovanni family name has been involved in "respectable business" since even before the Great War.
It is possible to get loans from Lorenzo, and also accuse him for his dealings with Decker. Lorenzo rather readily reveals his ties to Decker, the head of the Hub Underground. When an unnamed individual accused Lorenzo of extortion, which was likely a truthful claim, his "good friend Decker set them straight". He also suggests to the Vault Dweller that Decker might have some work available for him, even offering himself as a reference.
Lorenzo's name is derived from two Medici, members of the most prominent banking family of Renaissance Italy. Lorenzo "The Magnificent" was a skilled statesman, diplomat and a patron of the arts and sciences, while the corrupt Giovanni became Pope of the Roman Catholic Church, assuming the papal name Leo X.