Here's my list:

A is for Alberto
B is for Bobby aka Dizzy
C is for Catz
D is for Derby
E is for Enigma
F is for FireClaw
G is for GuMmYBeAr!
H is for (you know what)raiser
I is for Ice M A N
J is for JoJo
K is for Khellendros
L is for Lama
M is for MaximumPower
N is for Nitro
O is for Onag
P is for Paul
Q is for Quo Avek
R is for Ryu
S is for Stiletto
T is for Teej
U is for Unknown Rabbit
V is for VeggieMan
W is for Wild Angel
X is for Xtreem
Y is for Yanagi Velkasha
Z is for Zero Dai

Note: Most of the people i put here were put here at random it has nothing to do with importance.