User blog comment:J. Severe/Videos: Season 3 Kicks Off with "The Great Indoors" and "Canderemy" On Demand!/@comment-2156322-20110228233756/@comment-1647442-20110302004754

@Phineas And Ferb Luver!: I CAN do that effect :P I deepen my voice and slow it down, then move slower. Simple as that.