I did this after making my Sirius artist picture. I didn't really know what category in which to place it, but it's just a photoshop mashup.
Anyway, it's titled "Madman S" as a take off of Madame X by John Singer Sargent. [link]
I thought her pose, skin tone, and attitude worked well with a young Severus...I think of him here as perhaps beginning his first year teaching the little Dunderheads. Anyway, I hope you like.
The other pieces used were Portrait of Madame Lavoisier and Her Husband Antroine and Portrait of Doctor Alphonse Leroy, both by Jacques-Louis David.