A young MS pilot who upon graduation from military academy was immediately assigned to Gerhart Schmitzer's Midnight Fenrir Corp special forces during the One Year War. He joined the Republic of Zeon military after war and was promoted to lieutenant. In Gundam Legacy, he cooperates with captain Ken Bederstadt and Charlotte Hepner to prevent Principality of Zeon remnants from detonating a nuclear weapon on Earth. During this incident, he reunites with former Midnight Fenrir members Renchef and Sophie Fran.
- Nikki's VA, Akira Ishida, is also known for his potrayal as Athrun Zala in Mobile Suit Gundam SEED.
- Among all the members of the Midnight Fenrir Corp, Nikki is considered being the protagonist-esque character, in-par to his commander, Gerhart Schmitzer.