This was a fun one! Jim Gaffigan asked me to come up with a series of t-shirt designs based on his past bits, and an assembled graphic combining all of the title treatments of his comedy specials to date. These are all currently available on Amazon!
Future Pope is an update to an existing design, Pale Force uses a cartoon version of Jim designed by someone else, and every title treatment likely has a different designer (save Quality Time which was designed by me, based on a needlepoint provided by Jim). Unfortunately I don't know the names of the original creators, otherwise I'd credit them here.