William Ennis

 Is mentioned in Fallout: New Vegas Dead Money add on. A locker called Ennis's Locker can be found and Ennis's Key which according to a computer log he "left his key on one of the consoles again ".In the same log he is referred to as "old man Ennis". The Locker also contains a note Toxic Samples which suggest that Ennis was one of the workers in the suits and may now be amoung the Ghost People.

Appearances
is only mentioned in Fallout: New VegasDead Money add on.