Appearance
Agent One is a human who has short brown hair. He is seen wearing a black tuxedo consisting of a white shirt underneath a black coat with a black tie, paired with black sunglasses. There is a pin on the left lapel of his tuxedo that is composed of two overlapping triangles, one red, one white.

Personality
As a member of D.H.O.R.K.S., it is presumed that Agent One is well versed in the study of paranormal activity and completely believes in the existance of demons.

While he is seen as a professional, it is known that he tends to break his tough facade when his deceased mother is mentioned.