My user name... isn't display name? Anyway, I think I will explain it now. Although it's rather lame (no, it's cool!).
At first my display name was 'Miss Blue Hyuga', yes I know... it was totally uncool! I put 'Blue', because it's my favorite color. And the name 'Hyuga', I took it from the anime series, Naruto... yeah, the Hyuga Clan that is... And Hinata Hyuga is one of my favorite characters.
After awhile, I thought it was kind of lame... and I decided to change it...
And 'Kaoko' came to mind... Just to let you know, 'Kaoko' is a name that just popped into my head from nowhere... then I tried to figure out if 'Kaoko' had any special meanings. I googled on the web for 'List of Japanese Female Names'. I got one amazingly long list, but I just couldn't find 'Kaoko' in there. Umm... and then I googled it in Google Images, but all they give me is these weird picture of strange products (that I've never heard of). If I tried to figure out myself what does 'Kaoko' stands for (in Japanese)... it'd be: '顔' (kao), a Kanji for 'face', and '子' (ko) a Kanji for 'child'... Face Child? Weird... makes no sense at all!
So... yeah, I decided to put 'Kaoko', the mysterious name... Ah! No, no, no! Actually... of how I got the name was: My real name begins with 'K', and if you tried to Japanize it, it'd turn to 'Kaora'... I actually took away the 'ra', and added the 'ko' instead. So it became 'Kaoko'... yeah, 'Kaoko' is a pretty cool name so I decided that it should be my alias .
And then when I tried to change my display name to 'Kaoko', just 'Kaoko' itself sounded boring... so I added 'Detective', which sounded more interesting and cool .