Toshio Nakanishi (中西 俊夫, Nakanishi Toshio, January 13, 1956 – February 25, 2017), also known by the pseudonyms Tycoon To$h or Typhoom Tosh, was a Japanese musician and graphic designer who was best known as the founding member of new wave band Plastics in 1976.

He was initially a part of the technopop fever in Japan and later acted as a pioneer of the Japanese hip hop scene with his band Major Force.

[1] He was formerly married to Japanese stylist and bandmate Chica Sato of Plastics and Melon.

In September 2016, Nakanishi was diagnosed with esophageal cancer.

This article about a Japanese musician is a stub.