Superman #686, art by Renato Guedes
The Ace O' Clubs is a bar in Metropolis, located in Suicide Slum. It's run by Bibbo Bibbowski, a huge fan and friend to Superman.
In Smallville, the Ace O' Clubs appears in seasons seven and eight as a popular bar and club. Bibbo doesn't seem to work there during the time this show takes place.
In other media[]
Smallville
Young Justice
(as Bibbo's Diner)
(as Bibbo's Diner)