Mangaka Akira Toriyama, creator of the world-famous series “Dragon Ball” and “Dr Slump’, died at the age of 68 from a subdural hematoma. “We are sincerely saddened to inform you that manga creator AkiraToriyama died on March 1 from an acute subdial hematomas.

He was 68 years old,” Bird Studio, an entity the manga artist founded, said in a statement. The manga has sold at least 260 million copies worldwide.