I noticed the "zz" in the Goat hill pizza sign looks slightly out of place. In fact, to me it looks like two sevens http://goathill.com . I searched wikipedia for the significance of the number 77. https://en.m.wikipedia.org/wiki/77_(number)

From that wiki page: "'Liber 77' is the gematrian name for Liber OZ- a brief but popular publication by Aliester Crowley. The word 'oz', which means 'strength', is composed of two hebrew letters- ayin and zayin, which have gematrian values of 70 and 7 respectively, thus adding up to 77."

Aliester Crowley was an occultist. He also had a word to say about Baphomet: "For Crowley, Baphomet is further a representative of the spiritual nature of the spermatozoa while also being symbolic of the "magical child" produced as a result of sex magic." https://en.m.wikipedia.org/wiki/Baphomet

(The Comet Ping Pong sign may also reference Baphomet because it's use of the morning star -heavily associated with lucifer- and crescent moon on the sign, which is prevalent in depictions of Baphomet. It has been reported that the sign was taken from another business, but who says that business wasn't a previous front?)

Here is "Liber OZ" (aka Book 77): http://www.geocities.ws/nu_isis/oz003.gif

I think 4 and 5 are particularly relevant.