One of the storefront shutters on the ground floor of Lily's building has bilingual graffiti art in keeping with the show's theme of belief. Additionally, Japanese kanji and hiragana are circling the center. It says "Nanika wo shinjiru" or "Believe in Something." In English lettering, it also says "Believe in Something," but with the last word crossed out. The word "Me" is placed prominently in the foreground in a way that covers both the center and frame areas.
Actor Dante Brown who plays Boomer, mentions that the elf was on Law & Order: SVU and is, therefore, a celebrity. Dante Brown was in an episode of Law & Order: SVU.