|Occupation||Assistant Researcher |
Government Spy (truthfully)
Blood+ Light Novel
|Japanese Voice||Koji Yusa|
|English Voice||David Rasner|
Archer is a Cinq Fleches employee. He works in the research faculty. He is Van Argiano's personal assistant and is involved in the delta project. Archer is also revealed to be a government appointed investigator who had infiltrated Cinq Flèches to gather evidence.