The incognito sign represents secrets, concealment, and naughtiness. Another part of the image is the person-like appearance of the hat and glasses, as well as the black crescent. Therefore I think you may use a nickname like:
Kinky Fellow; Servant of Concealment; The Dark Side of The Moon; Shadow Voyeur, etc...
Stage IV Chronic Procrastinator. It doesn't fit your pfp, but the title doesn't have to fit the pfp anyways. Just use whatever you want. "Stage IV Chronic Procrastinator" fits you pretty well.