I finally took the time to read the Arkham City Stories. It's pretty interesting to have the background explained. Two questions about Arkham City Stories though:
1) According to them, the Penguin was sent to a boarding school in England. Is that true in the comics, as well, or was that just to explain his cockney accent?
2) Also according to them, there was a fight at the Iceberg Lounge once, in which a person broke a beer bottle and stabbed the Penguin in the face with it. Doctors told him they couldn't remove the remains of the bottle. Is that a well-known part of the Penguin's character (face scars, etc)?