Oh man... I'm probably leaving some people out but, off the top of my head...
AmorVincitOmnia
antigoon
Axeman
Cecilia
DTVT
Jackie
jasc15
JustJen
kingshmegland
LudwigVan
mebert
millahhhhhhhhhhhhhhhhhhhhhhhhh
mrjazzguitar
Neon
Nick
Quad
Sad Wings
ScottOfRedemption/progger
secludedmayhem
Setlist Scotty
tick
wey
wkiml
ytserush
ZeroGravityFat
zxlkho
If I forgot you don't be offended... memory is going. I know there are at least 2 or 3 more from wayyyyyyyyy back in the day whose faces I can see but whose screen names I can't remember. Some of them probably never even re-registered after DT.net went down