Daichii Niwa

Daichii Niwa is Daisuke's grandfather in DNAngel. He was the last Niwa to carry to gene of Phantom Thief Dark, and he trained Daisuke to be a Phantom Thief as well. He and Dark are also close friends, as Dark once inhabited Daichii's body, and Daichii spends most of his time writing the warning letters announcing when and where Dark will strike next.

Voices: Takeshi Aono (Japanese), John Swasey (English)