Charlie Day, star of the FXX comedy series that has run for 17 seasons and 20 years, hit up some bars in Boston to promote his Four Walls Irish American Whiskey. What Bars Did Charlie Day Visit in Boston, Massachusetts? The 88 Club at 50 Dalton Street in Boston, MassachusettsThe 88 Club website notes that it is "Boston's premier piano bar destination." Day took full advantage, even belting out some songs from "It's Always Sunny" with plenty of people singing along. A video of Day's Boston visit shared on Four Walls Whiskey's Facebook page also highlighted Biddy Early's Pub at 141 Pearl Street and Cheers Boston at 84 Beacon Street in Boston, Massachusetts, as stops on his excursion.