The music for the "Quarter Eater" arcade game John plays is the old John's Arm theme, performed in a Doctor Who style by George P. Wallace.
"Burden Boulevard", a street named by a radio announcer as the opening titles begin, is named after Bob Burden, creator of "Flaming Carrot" and "Mystery Men".
All the bone-cracking sounds were created by George P. Wallace and Matty Boy Anderson cracking their knuckles into the microphone.
"Kenneth Eissberg", the attorney, is based on the former CEO of the Winnebago company.
Matty Boy Anderson: [absurd blasphemy] "Jesus Christ Almighty with a magic 8-ball up his ass." "Jesus eatin' fajitas."