Tomiguchi
| Age | Unknown (Likely late 20's, early 30's) |
| Sex | Male |
| Car | Toyota Hiace |
| Japanese voice actor | Ryoukichi Takahashi |
Tomiguchi is Keisuke's assigned mechanic in Project D. He is likely the driver of van #4 during the latter part of Project D's expeditions where they go to farther prefectures.
