Frank ran into some trouble back in the 1980’s but I’ve never had any issues with him, after hundreds of encounters at area events over the decades.
If I had to guess, SHEPARD is for astronaut Alan Shepard and AIRCRAFT CARRIERS is a reference to the Russian-built Admiral Kuznetsov / Varyag / Liaoning and the like. I mean they’re sort of like aircraft carriers:
Expensify is paying the bills these days:
This guy from Quiznos sandwiches cut an ad deal with Frank a long time ago, and that put then-unknown Quiznos on the map, or so the story goes.
Leaving you with this – here he is from a decade back at the final Castro Halloween, when he encountered some dude dressed as Frank Chu. (And later that night, a kid from the projects shot nine people on Market near Noe and that was the end of Halloween in the Castro.)
This has been Frank Chu and His Signs, December 2016.