As for constructed languages, I've completed the correspondance course of the Esperanto League of North America and read the recently-published grammar of Lojban put out by the Logical Language Group. I've been an active student of Klingon for about 12 years and a member of the Klingon Language Institute for about 10. Someone on the Klingon language mailing list once posted a 10-question quiz to see if you were obsessed with Klingon. I scored 9 out of 10 (I'm not proud of this fact!). You can find my Klingon pages here.
I wrote my first constructed language when I was in high school. It was called Frennix and was basically a relex of Spanish transcribed in modified tengwar. I managed to translate about 3 pages of The Hobbit before I ran out of steam. All I can remember of it is the word for 'dragon': banakol.
I wrote several language sketches over my high school and college years, usually as part of the background to some story I was contemplating, but I remember very little about them. I do recall one, called Spretun, which I made to support a hoax I was going to try to pull involving a made-up religion (Spretun was supposed to be the divinely revealed language of its scriptures). Elements of Spretun ended up in my first mature conlang, Vogu.
As I noted elsewhere, Vogu (or Vogukadane) had its origin in a made-up religion, too, but it rapidly expanded into the language of a culture on the alternate world, Zyem. To give the world and the language a semblance of reality, I fleshed it out with other cultures and their languages.
All of this material just remained tucked away in my desk drawer until I discovered the miracle of the Web! Suddenly I could put this stuff somewhere where others might see it. I think artificial language creators are like any other kind of author: they would like to present their material to an audience. I know the audience for this sort of thing is small, but until now, the audience was non-existent. So whether anyone enjoys or profits from this odd hobby of mine, I'll never know, but at least I can share it, so it isn't a total waste of time.
© 1999 - 2007, Terrence Donnelly