Maxie Zeus (Gotham Stories) - Batman: Arkham City (2011)

Not every building in Arkham City was in disrepair before the mega-prison was constructed. One operating building was the Gotham City Olympus Nightclub, originally owned by Maxie Zeus.

Although Maxie disappeared in Arkham Asylum after one too many rounds of electroshock therapy, the club kept running in his absence, leading some to think Maxie hasn't gone far.