Joey (1885)

Joey
Biographical information
Age (2015)	Deceased
Physical description
Gender	Male
Hair color	Brown (also brown mustache)
Behind-the-scenes information
Played by	Joey Newington
	[Source]

Joey was an assistant to Chester, the bartender of the Palace Saloon. He helped mix drinks for customers.

Biography

On the morning of September 7, after Dr. Emmett Brown passed out from drinking whiskey, Chester told Joey to help him make some "wake-up juice".