You can find someones profile by clicking on the first letter of their username then selecting their name from the list

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Results

gabe119
garef
Gareth
Gary
Gema
Genome
ggemmell
ghost hunter
Ginga2050
GingerbreadGirl
GingerElf
Gino
girl from mars
Girlie
girl_from_l6
gizmo
Glenda
glorydays
gobstopper
godsdice
GoodKaram
Gooner
Gopher
gopher2
gopher3
Gossi The Dog
graciela
Green_Amber
Grimm5000
guffer
GuScUsThEgReEbO