Mr. Yesterday

Mr. Yesterday is a character meantioned in one of Fallout New Vegas's DLC Dead Money.

What He Was
He was head of the construction of The Sierra Madre villa. Mr. Yesterday made sure that the villa was built poorly so he could collect more money from Sinclair's wallet. The builders he worked with knew about his actions so Dead Domino came in and gave the builders Chema and booze so they wouldn't talk in exchange Dean recieved some of Mr. Yesterday's cut for the building.