Andy's costume is UFC wrestler Chuck Liddell. Chuck Liddell's team is "The Pit."
Leslie's full name is revealed to be Leslie Barbara Knope and her birth date is January 18, 1975.
Ron finds a cartridge of the famous SEGA game "Sonic the Hedgehog". Ben Schwartz, who plays recurring character Jean-Ralphio, played the voice of the title character in Sonic the Hedgehog (2020).
When Andy decides to "beat Ben up" he is dressed as former UFC Light-Heavyweight Champion Chuck Liddell. At one point he is trying to put Ben in a rear naked choke, a famous submission attempt in MMA. The rest of the moves he does are more pro-wrestling moves