This is a Toad head form Super Mario Brothers. (for male avatars)
*NOTE* The head does not include the top portion; that can be purcased separate from DarthLilias.
http://www.imvu.com/shop/product.php?products_id=2774548
I have made a matching skin for the head. http://www.imvu.com/shop/product.php?products_id=5728304