JonBob: Not all of them!
https://en.wikipedia.org/wiki/List_of_Parks_and_Recreation_characters#Li'l_Sebastian (2 months, 3 weeks ago)
rob: They're (American) rap musicians whose names start with Lil'. (2 months, 4 weeks ago)
Omegaman: Me too! (2 months, 4 weeks ago)
The Void: I'm none the wiser on the Sebastian group, even after being shown the connection! 7/10 (3 months ago)