"No! I must kill the Subspace!" Roy shouted
The hand said "No Roy, you are the Subspace"
And then Roy was a robot.
Just like with Mewtwo and the Galleom, the PM guys replaced the Duon's sounds with Roy's, again resulting in more weird hilarity.
To see the Galleom with Mewtwo's sounds, see this video http://www.youtube.com/watch?v=ZEgFRimMvmM
To see the Galleom with Pichu's sounds in Minus, see this video http://www.youtube.com/watch?v=LQS44OX0lIQ