Kenji

Kenji (健二) is a member of the Akina SpeedStars and Koichiro Iketani's childhood best friend.

He hangs out at the gas station where Iketani, Takumi Fujiwara and Itsuki Takeuchi work from time to time, usually discussing cars and driving techniques with Iketani and Yuichi Tachibana. He has respect and admiration for Iketani and Takumi; Iketani as he is the leader of the SpeedStars and Takumi for his driving skills.

Kenji is believed to be the second-best driver of the SpeedStars. He was set to race Keisuke Takahashi in the first battle because Iketani was injured and the mysterious "Tofu Shop Eight-Six" was thought to be a no-show.

To this day, his last name hasn't been revealed in any media form of Initial D. His age has also not been explicitly stated, though judging from Iketani and Itsuki's constant joking in regards to Kenji not having a girlfriend at his age, and that he and Iketani don't address each other as Senpai, it's probably safe to assume that he is about the same age as Iketani. His occupation is also unknown, although he often goes to the gas station where his friends work bringing car magazines and racing news.

Childhood
Little to nothing is known about Kenji's childhood, although from the side story it can be assumed that he is a close friend of Koichiro Iketani.

The White Ghost of Akina
Kenji is first seen in Act 1, accompanying Takumi, Itsuki and Iketani at times. He generally provides tactical information and necessary background, but not much else.

MF Ghost
Kenji shows up to the gas station to share information about MFG with his fellow ex-SpeedStars. He is married with kids.

Koichiro Iketani
Koichiro Iketani is his best friend. He works at the gas station, so Kenji often comes over there to discuss about cars and races.

Itsuki Takeuchi
Itsuki is another worker at the gas station.

Takumi Fujiwara
Takumi Fujiwara works at the gas station along with Itsuki and Iketani.

Yuichi Tachibana
Yuichi is the boss of the gas station where Iketani works. He acts as a fatherly figure to the Akina SpeedStars despite Kenji not working in the gas station.

Trivia

 * Anri Katsu, his Japanese voice actor in the Legend trilogy, previously voiced Fake Takumi in Fifth Stage.