Tsuyoshi Nonaka is a Mechanical designer known for his work on D.I.C.E. (TV) and Shin Mazinger Shogeki! Z-Hen.

Nonaka is looking forward to discussing Japanese toys with American fans as designing such toys has been a major part of his career as an artist.

Nonaka participated in Transformers while he was in Tokyo Design School. After his graduation on 1987, he joined Bandai to participate in development of toys for boys under Katsushi Murakami.

Later he participated in development of many "Chogokin" figurines: Metal Hero Series from "Kidou Keiji Jiban" (DT: "Mobile Investigator Jiban"), "Tetsuwan Tantei Robotakku" (DT: "Iron Detective Robottaku"), Super Sentai series after "Kyoryu Sentai Jyurenjya" (DT: "Dino Warrior Ju-ranger"), Ultra series after "Ultraman Tiga", Kamen Rider Series from "Kamen Rider Kuuga" to "Kamen Rider Kabuto," and Machine robo series after "Syutugeki! Machine Robo Rescue."

From 2001, he was temporarily transferred to Plex to work as dual employee between Bandai and Plex, which now he is renowned for first developer of Cyogokin-damashii. He also worked on Ranger Strike illustrations.