She is a great talker and speaks endlessly about things with no meaning. She has a good sense of humor and prefers compromise over conflict.
She also proves to be a very patient and good-hearted person, being very accommodating of her students, even the most problematic ones. She maintains a formal relationship with all the students and teachers of the academy. Holbrooke proves to be a conservative and respected woman, rather kind and cheerful.
Here, she has longer, wavy hair, smaller pair of glasses which round instead of rectangular, and wears a cloak matching the color of her robe as opposed of jacket. Holbrooke's appearance in Tsukiyo no Ōkan manga looked vastly different. She wears a red jacket over her uniform, a necklace of green stones, a white scarf, rectangular lenses, and a witch hat that is bigger and curved than that of the teachers. Holbrooke is a short, old woman with short pale green hair and blue eyes.