Haruo Nakajima
The buildings' framework were made of thin wooden boards reinforced with a mixture of plaster and white chalk. Explosives were installed inside miniatures that were to be destroyed by Godzilla's atomic breath while some were sprayed with gasoline to make them burn more easily; others included small cracks so they could crumble easily. Optical animation techniques were used for Godzilla's glowing dorsal fins by having hundreds of cells drawn frame-by-frame. Haruo Nakajima perspired inside the suit so much that the Yagi brothers had to dry out the cotton lining every morning and sometimes re-line the interior of the suit and repair damages.