This episode opens with a quote from Oscar Wilde, "Give a man a mask and he will show you his true face."
Chavo Guerrero Jr. is a professional wrestler who has competed for WCW, WWE, TNA, Lucha Underground and many other promotions. He is the son of the late Chavo Guerrero Sr., and the nephew of the late WWE Hall of Famer Eddie Guerrero, Hector Guerrero and Armando Guerrero.
Danny Mora, (Benito) the maskmaker in this episode, appeared in The Cautionary Tale of Numero Cinco (2003), which also involved Luchadores and masks. David Greenwalt was a co-creator on both series.
Barbara Deering, who portrays the woman that Goyo bumps into, also previously portrayed the role of the woman in Headache (2015) who was killed by Verrat Hundjägers.
Goyo's apartment number, 513, is a reference to the episode number.