Ryūsuke Ōbayashi (大林 隆介, Ōbayashi Ryūsuke?) is a veteran seiyū born March 13, 1946 in Fukuoka, Fukuoka Prefecture, Japan. Some of his best known roles include Sōun Tendō in Ranma ½ and Captain Gotō Kiichi in Patlabor. He was formerly credited as Ryūnosuke Ōbayashi (大林　隆之介, Ōbayashi Ryūnosuke?), and his real name is Shōchi Ōbayashi (大林　昌一, Ōbayashi Shōichi?). He is employed by the talent management firm 81 Produce.

Source: Wikipedia