Fred Armisen Fred Armisen

Sunday's episode of Brooklyn Nine-Nine is special not only because of its primo post-Super Bowl timeslot, but because it also marks the return of Fred Armisen.

The Saturday Night Live vet first appeared in the comedy's pilot, but little is known about his character, Melipnos. So what is Melipnos' story? Where is the man "wrapped in a mystery enswathed in a riddle inside an enigma" from? Stars Andy Samberg, Terry Crews and Melissa Fumero have their theories.

TV's many beards of sorrow

Check out the exclusive video to hear the latest rumors about Melipnos and to see him and Peralta get down to one of his favorite tunes:

Brooklyn Nine-Nine airs Sunday after Super Bowl XLVIII, which kicks off at 6:30/5:30c on Fox.