The G... could stand for
* Gabbit
* Gabbiar
* Gabbiwog
* Greeter
* Glukkon
* Glockstar
* General (Dripik, Discussion)
* Game (Designer , Developer, Domain (website) ...)
*...
(please help)
And the D... for
* Dripik , Discussion, Designer, Developer (as mentioned above)
* Depot
*...
(please help even more
)