Dakota Stanley (Whit Hertford) calls Finn (Cory Monteith) "Frankenteen". Frankenteen was Monteith's Twitter name.
John Lloyd Young was previously in a romantic relationship with star Lea Michele.
In addition to the other Broadway Alum listed: John Lloyd Young originated the role of Frankie Valli in the original Broadway cast of "Jersey Boys".
Acafellas is a fairly common name for male a cappella group, both at the professional and student level - there are Acafellas in Daytona Beach, Ottawa, Loyola University, Muhlenberg College, Embry-Riddle Aeronautical University, Alfred University and more - and most of these groups pre-date Glee by at least five years.
Mr Schuster's father talks about wanting to be a lawyer and going to law school. Victor Garber, who plays the character, was a law teacher in Legally Blonde (2001).