From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Daisuke Gōri (郷里 大輔, Gōri Daisuke) (February 8, 1952 – January 17, 2010) was a Japanese voice actor, narrator and actor from Kōtō, Tokyo. He was affiliated with Aoni Production at the time of his death. His real name, as well as his former stage name, was Yoshio Nagahori (長堀 芳夫, Nagahori Yoshio).
He was the voice of Kame, Ox King, Ghastel, Yellow, InoShikaCho, Cymbal, Drum, Yama, Polunga, Vinegar, Cold, Misokatsun, Wings, Mister Satan, Black Smoke Shen Long, Gokule, and many other additional voices in the Dragon Ball franchise.
On January 17, 2010, at approximately 3:00 P.M., Gōri was found deceased in Nakano, Tokyo by a passerby, who then notified the police. Authorities from the Tokyo Metropolitan Police Department's Nakano station discovered a note (with the words "I'm sorry" (ごめんね, Gomenne) and "Thank you" (ありがとう, Arigatō) scrawled on it) addressed to his family. Gōri's death was ruled a suicide; he was three weeks short of his 58th birthday.