Mine was the username of my account on Runescape from way back in the day that I just kind of started using for everything. The actual name is the name of a monster in Runescape (Kalphite Guardian) altered to fit the twelve character maximum for usernames.
9/4 Cult of Luna
9/11-13 Riot Fest
9/19 Uncle Acid & the Deadbeats
9/25 Cattle Decapitation
9/26 D.R.I. and/or Alcest