Donald Brown

Agent Donald Brown (ドナルド・ブラウン Donarudo Buraun) works for a special, secret department of the Bureau of Investigation with deals with all incidents regarding immortals.

He and his colleague Bill Sullivan recruit Assistant Police Inspector Edward Noah into their ranks after the incident involving immortals in November 1930.

Appearance
Donald is stocky and "powerful built," in contrast to Sullivan's thin frame. In the anime he is the shorter of the pair, with short brunet hair and a square face, but in the 2015 manga and novels is taller than Sullivan and has short blond hair.