Koepp named the characters Roland Tembo and Nick Van Owen as a reference to one of his favorite songs, "Roland the Headless Thompson Gunner", by Warren Zevon.
Koepp je likovima Rolandu Tembu i Nicku Van Owenu dao ta imena kao referenca na jednu od njegovih omiljenih pjesama "Roland the Headless Thompson Gunner" autora Warrena Zevona.