The Kornyfone font is also used on the original vinyl release of "Cheap Thrills", though not on the CD. Makes me wonder if it's R. Crumb's work.
The bootleg rontoon is talking about is commonly listed as having been ripped off by Kornyfone's "Raving and Drooling", but they're actually from different nights. Wizardo's "The Screaming Abdab" is apparently the original version of the Kornyfone release, though a much lower-generation complete show has circulated in [semi-] recent years.
There was a pretty long period of time where "The Screaming Abdab" was the entry on my "The house is on fire and you can only grab one thing" list.