It was the old alternating voices trick.
  "Hi, it's--"
  "--Molly and--"
  "--Michelle. Double--"
  "--M. Double--"
  "--Down--"
  And together: "--Double Trouble."
  "Wow," said Vanity flatly, engrossed in a poster of Bilbo, that British pop star who was once an English professor. How could she even have a poster of this pompous ass, Barry wondered. It was an insult to their cherished ethos of ennui.