A = Alberto
B = Bink
C = Craccoboy (or Coolman)
D = Da Viper
E = Electric IR
F = Flame
G = Gale
H = Hellraiser
I = Ice
J = Joker
K = Kill
L = Link
M = MattW
N = Neo
O = Overlord
P = PaladinHF
Q = (I don't know any good jazzers with a Q)
R = Rossboy
S = Stunner
T = Tidus
U = URjazzCC
V = (I don't know any good jazzers with a V)
W = (I don't know any good jazzers with a W)
X = Xeno
Y = Yoshi
Z = Zieg