K

[K4] K-Team
[KA] Killer Apps
[KBT] Koopa Brothers Team
[KO] Kaizoku
KT Kira Team
[KT] Commando KT

L

[LR] Legendary Racer
[LR] Lightning Runners
[LW] Team LiveWii

M

[MGR] MGR
MKR» Mario Kart Racerz
MR☆ Magical Riders
MT☆ Maximum Boost
[MT] Mushroom Team
[MWC] Mario Kart World Class

N

[ND] The Nitro Dashers
NDA☆ Noddingdog Alliance
NDK☆ Ndergound Koopas
NFX☆ NFinitiX
NFO Nferno
[NNS] Nintendo New Schoolers
NL- Nintendo Legends
[NL] No Life
[NTB] Nintenbow
NWFC Nintendo Wi-Fi Connect

O

[Ok] Oath Keepers

P

[P€] The Predators
[PKC] Power Kart Clan
[PR] The Prophecy

R

*R* Rebirth
\R\ Revolutionists
[ROM] Riders of Madness
{RS} Redsuns
[Rv] Revolution