A Scotland Yard Inspector. In the anime adaption, he is portrayed as one who truly believes in the justice system. He wishes to make London a place where it is safe to have a family and plans to propose to his pregnant girlfriend. Like Ciel, he had to go through hard times to reach his current situation. Despite this, Ciel describes him as someone who walks in the light, whereas Ciel walks in the darkness.

Spoiler

He is killed by Lau in an effort to protect Ciel.

(Source: Wikipedia)