Voldemort types in scala

repl.scala

f@omoikane:~$ scala
Welcome to Scala version 2.9.1.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_31).
Type in expressions to have them evaluated.
Type :help for more information.

scala> :load Workshop/mine/scala-misc/voldemort.scala
Loading Workshop/mine/scala-misc/voldemort.scala...
defined module Dungeon

scala> val nemesis = Dungeon curse "fedesilva"
nemesis: java.lang.Object with ScalaObject{def shout: Unit} = I came back to haunt fedesilva

scala> nemesis.shout
fedesilvaaaaaaaaaaa!!!!!

voldemort.scala

/* You will pardon my Potteresque ignorance but where does Voldemort live? is a dungeon acceptable? */
object Dungeon {

  def curse(reason:String) = {

    class Voldemort(revenge:String) { 
      def shout { println(revenge+revenge.last.toString*10+"!"*5) } 
      override def toString() = "I came back to haunt "+revenge
    }

    new Voldemort(reason) // last expression returns
  }

}