You have no doubt seen somebody use a phrase with "1337 |-|4><0rZ" or something like that in it, so i decided to make this guide to "1337". 1337=1ee7=leet=elite.

Regular Letter:1337:
A4
B8
C(
D|)
E3
Fph
G9
H|-|
I1
Jj
K|<
L1
M/\/\
N/\/
O0
P
Q
Rr
S5 / Z
T7
U
V\/
W\/\/
X><
Y
Z