This is a list of taken canon and original character code names.

A

Adam Kane
Played by Mariana
Amp
Played by Heidi
Aurora
Played by Mana

B

Banshee
Beast
Played by Lylithix
Belladonna
Black Tom

C

Captain America
Played by Guiga
Captain Marvel
Cyclops
Played by Deco

D

Dabbler

E

Eclipse
Played by Guiga
Elixir
Played by Heidi
Enigma
Played by Helen

G

Gambit
Played by Mana
Goose
Played by Mana

H

Heatblast
Hourglass

I

Iceman
Played by Guiga
Ithaca Kitty
Played by Mana

J

Joseph MacTaggert
Non-Player

K

Kinesia

L

Legion
Played by Mariana
Leucrotta
Lhiannan Sidhe

M

Magneto
Mama Bear
Mastermind
Played by Guiga
Maximus Lobo
Moira MacTaggert
Mystique

N

N/A
Played by Heidi
N/A
Played by Heidi
Nick Fury
Nightcrawler
Played by Mariana

P

Peacekeeper
Played by Heidi
Phoenix
Photon
Polaris
Played by Mana
Professor X
Proteus
Psylocke
Puma
Puppet Master
Pyro
Played by Mana

Q

Quicksilver

R

Restorer
Played by Mana
Rogue
Played by Heidi

S

Scarlet Witch
Shadowfox
Played by Mana
Shaw
Shrapnel
Siryn
Speeding Hawk
Played by Michelle
Star-Lord
Played by Guiga
Storm
Played by Guiga

T

Techs
The White Queen
Played by Mariana

W

Whisper
Played by Heidi
White Wolf
Wolverine