Kou "The Jet" Tominaga (富永 公, Tominaga Ko) is a tuner from Wangan Midnight. Tominaga’s specialty was modifying the ECU/CPU of the vehicle. His nickname is "The Jet," a term to describe his tuning method. He owned a shop named Tominaga Speed.
Behind the Scene[]
In the anime adaptation, he is voiced by Susumu Chiba.
Car[]
He previously owned Honda S2000 before given his given to Yuji Kishida as Yamamoto suggest searching a roadster for Yuji.



