The Brahma's Net Sutra describes one of these figures, who represents the concept of sunyata.
The Brahma's Net Sutra describes one of these figures, who represents the concept of sunyata. As an incarnation of the Maitreya, Budai is nicknamed the "Laughing" one. The Vairocana is the central one of five "wisdom" ones of these figures worshipped in Shingon, while the one of "infinite light" is called the Amitabha. Many statues of these figures are housed in the Longmen Grottoes, and two in Afghanistan were destroyed by the Taliban. For 10 points, give this word usually referring to Siddhartha Gautama that means "enlightened one." 
The Brahma's Net Sutra describes one of these figures, who represents the concept of sunyata.
Buddha