Laughter is a physical reaction in humans and some other species of primate, consisting typically of rhythmical, often audible contractions of the diaphragm and other parts of the respiratory system.
Wonder is an emotion comparable to surprise that people feel when perceiving something very rare or unexpected. It has been linked with curiosity and the drive behind intellectual exploration.
Alexander is the physical representation of the emotional summit of laughter and wonder. When observed, he will often perform an illusion to cause delight and bewilderment in the observer.