Amy can both be a Distaff Counterpart to Sheldon, or Closer to Earth like Bernadette and Leonard. Amy and Sheldon tried using to do a social experiment to see which bits of juicy gossip would be handed more quickly about their circle of pals. Sheldon was meant to be this for Leonard in the pilot, but became a Breakout Character and was delegated to Butt-Monkey as a substitute.