A Chicago-born cardinal walks into a conclave. The rest of the joke tells itself. In the breathless day since Pope Leo XIV’s election as the first American pontiff, the memes, doctored images and tongue-in-cheek references have piled up deeper than Chicago's pizza and more loaded than its hot dog,

Robert Prevost, born in Chicago, became the first pope from the United States. Now, Chicago businesses are getting in on the action.