Akira Toriyama, the Japanese manga artist who created the enormously popular and influential Dragon Ball series, died of a brain condition last week at the age of 68, his production studio said Friday. Toriyama was the mind behind the fantasy martial arts franchise featuring Son Goku, a boy from outer space with superhuman strength and a monkey tail. The Dragon Ball universe remains one of Japan's most successful global hits, captivating the hearts of many manga-loving teens and adults from arou