|Only Appearance:||It's Never Too Late|
|Appears in:||1 episode|
Joseph "Joey" Stromwell is the son of crime boss Arnold Stromwell.
Approaching the end of Arnold Stromwell's reign as Gotham City crime boss, his son Joey went missing. Though believed kidnapped, Joey was really at Sunrise Foundation, a drug rehabilitation center, because he had been taking drugs manufactured by his father's organization. Seeing Joey in pain was one of the factors that prompted Arnold Stromwell to turn himself in to the authorities.