Gordie, in trying to explain photos of tied up dolls says (in reference to Rebecca) "She liked the Halloween movies. It was on her profile." Danielle Harris (Rebecca) appeared in Halloween 4 and 5, and the remake Halloween and Halloween 2.
The chef that Finn and Hodgins were talking to about the hot sauce was violating multiple health and safety codes by wearing all the rings and bracelets in a kitchen environment.