Douglas E. Graves was a notable comedian.
In 2365, Data attempted to located a comedian to help him better understand the concept of "what is funny?". Graves was among the the holodeck program files that were contained aboard the USS Enterprise-D. The program code list for this comedian was YL-45934. (TNG: "The Outrageous Okona")
The comedian was never mentioned in dialog; this name came from a list of comedians.
This character was named for Douglas E. Graves, a digital artist who contributed to Trek productions including the 2012 Ships of the Line calendar.
For the remastered version of the episode, this character was substituted in for Michael Schoenbrun.