Outwardly, the Keymaster is shown as a man slightly older than Edna, he is one and a half heads taller than her and is dressed in the same hospital gown as she is. He has gray hair, part of which is laid to one side. The Keymaster has a mustache, yellowish eyeballs, and a sickly green complexion.Atfight this, although it seems that this does not suit him very much. The only patient in the asylum who is truly capable of deliberate murder (not counting Edna), so he is kept in solitary confinement.