Spamthrax? O_o Hey, I'm NOT a spammer!
But what about:
Lame-thrAX
or:
LAmethrAX
:D
supaFLY:
sup-FLY
supaPIE
sausagePIE
Svenko:
sWANKo
S_wank_O
UgLy:
UgLeet
Flaushi:
Floppy
Succubus:
Succulent
or the good old: Suck_A_Bus
Taken:
Take_that
Take_me
t[A(F)k]en
or just: AFK ...