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

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Tainted Fluff
Tamara
tamz
Tannhauser
Tantalus
Taphien
tarah
Taz
Teresa
Tessy
Thai
the big cheese
the first testuser
The Noid
The Prophet
the second testuser
theamericanjesus
TheBint
TheBoy
TheCandyManCan
TheCandyManCan6
TheCrow
thefan
TheFly
thekingotherwiseknowaselv
thelostsailor
thespawn
TheSuz
The_Crow
The_Host
the_imp
thisyearsgirl
thoehner
thomas
ThrowEmBows
thunderball1
Tiger's eye
tin
TinnionA97
TNT
tom
TomS
tonyx
tra tra
tree
Trinity
Troy
trudi lee
twisted
Tycho
tyrrellandrew