Oddly, adopted mine in 1995 (although I did not use it exclusively then) and I am probably quite bit younger. Silly mIRC!
A long story, a cookie, cake or whatever one prefers if he finds out the origins.
okay, here it goes:
I'm guessing it is short for Tshernovskij, the Russian biologist -- an entomologist, to be more specific (did some work on chromosomal evolution, as well as some other stuff).
I'm just about tapped-out.
It was a worthy try, I do not deny that, but unfortunately not correct. Slightly deeper than that!