It seems that even with multiple personalities Alex insist on being a mention in some of his comics. He was origionally created for Raspberry Cheescake a comic where he would sit down with his personalities and try to organise himself. However in doing so he became a personality himself which left everyone very confused.
Its kind of difficult to explain his character. Arrogant but passive, optimistically depressed and generally quite lazy your probably better going to the 'about us' page to get an idea about him.