| Name | Number of Codes |
|---|---|
| NobleKnight | 1 |
| nobody | 74 |
| Nocturnal | 1 |
| Nogib | 28 |
| Nolanenberg | 16 |
| nolberto82 | 4920 |
| nolimitallstar | 48 |
| Nomia Karen | 1 |
| nonix | 1 |
| noons | 9 |
| noswanson1982 | 61 |
| NotOnL8LY@aol.com | 3 |
| Notorious *M* | 13 |
| notyou_1970@yahoo.com | 1 |
| NOVICE | 96 |
| NO_1_SPECIAL | 1 |
| npcguy:P | 6 |
| nsullivant | 2 |
| nteract | 1 |
| nthonnesen | 1 |
| Number 12 | 620 |
| Number12 | 122 |
| Number2 | 17 |
| nuomega457 | 8 |
| NW64 | 3 |
| N_E_W_Ghost@hotmail.com | 2 |
| obi1bob@comcast.net | 1 |
| obishawn | 5 |
| OCF | 2 |
| OD fa real | 4404 |
| OFCernan | 46 |
| OggieDude@aol.com | 9 |
| Oh_Boy15 | 1 |
| oku@hkstar.com | 7 |
| olala | 26 |
| oldtimer | 102 |
| Olikong@aol.com | 2 |
| oli_oli007@hotmail.com | 1 |
| Olympic Slammer | 6 |
| OmachaoAbuser | 13 |
| omahalax | 1 |
| Omar Johnson | 2 |
| Omegakid | 3 |
| OmegaMorphMan | 2 |
| OmegaPirate | 77 |
| Omni3 | 21 |
| Omochao Abuser | 5 |
| OngL | 4 |
| oofred | 25 |
| OoPpEe | 4 |
| Name | Number of Codes |
|---|---|
| ooppee123 | 35 |
| Op7g@Gunsmithcats.com | 7 |
| Opus | 1126 |
| oracleone@hotmail.com | 2 |
| Orange Vendetta | 4 |
| orcanaoftime | 49 |
| Orioe88 | 2 |
| Orion | 9 |
| Orso The Bear | 288 |
| Osiris | 177 |
| Osmund Neuron | 2 |
| Outsider | 55 |
| overrider5@netscape.net | 1 |
| OWL2 | 1 |
| P. Murray | 18 |
| P2002C | 1 |
| p9807008@hotmail.com | 5 |
| Pac-Man | 5 |
| Pacman@namco.com | 11 |
| Paco | 210 |
| PaD | 2 |
| pakarat@health.moph.go.th | 5 |
| panda | 1 |
| Paolo Oronzo | 3 |
| papapandapsp | 2 |
| Parasyte | 4172 |
| PARCCC | 59 |
| Parser | 15 |
| Pascal | 7 |
| patrick | 5 |
| Patrick McEleny | 1 |
| Patrick Schäfer | 1 |
| patridge@dibbs.net | 6 |
| Paul Franze | 5 |
| Paul Webster | 2 |
| Paulygon | 571 |
| PCMAN | 6 |
| Pedro Sanchez | 12 |
| peh61 | 2 |
| Pelican | 436 |
| Pelican001 | 56 |
| Pelord | 1 |
| pendragon37@hotmail.com | 41 |
| Perfect Dark | 13 |
| Perfect Dork | 1 |
| permissiontest | 16 |
| persche@cityweb.de | 42 |
| Persian523 | 2 |
| Pesty Joe | 6 |
| PestyJoe | 128 |