I started as "Lis", but switched quickly to "Dimlee" not later than end of 2002.
Yes, keeping single name was inconvenient in certain situations. When someone started to hate you and chase you after you downed his Bf-109F4 on your I-153 three times in row. Or his Lagg-3 crashed trying to follow your Ju-87 in sharp turns - once and then again and again...
