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Sakazuki (サカズキ?), better known as Admiral Akainu (赤犬, lit. "Red Dog"), is an extremely ruthless naval officer with the power of the Logia-type Magma-Magma Fruit (マグマグの実 Magu Magu no Mi), which allows him to control, create, or transform into magma.[ch. 397, 573, 610] After Sengoku retires, Akainu duels with Aokiji for the position of Fleet Admiral, and prevails.[ch. 650] He is based on Bunta Sugawara.[ch. 558] In the anime adaptation, Akainu is voiced at first by Michio Nakao and later by Fumihiko Tachiki.