Hello! If you are messing with Mario Kart 8 modding and you found 2 custom characters that replace the same character but you want both, you are lucky because there is a "character swap list" that lists all the characters that can go over each original character! Anyway it isnt finished, so if you know something else, tell me: ill add your suggestion to the thread .

Mario mods con go over
Luigi, Daisy, MetalMario, Toad, Koopa, BabyPeach, BabyDaisy, Wario, WaLuigi, Roy, Wendy and Villager Boy;

Luigi mods con go over
Mario, Daisy, MetalMario, Toad, Koopa, BabyMario, BabyLuigi, BabyDaisy, Wario, Waluigi, Roy, and VillagerBoy;

Peach mods con go over
Rosalina (PR), RosePeach, Bowser (PR), DK (PR), Roy (PR), Morton (PR) and DryBowser (PR);

Daisy mods con go over
Mario, Luigi, MetalMario, Toad, Koopa, BabyMario, BabyLuigi, BabyDaisy, Wario, Waluigi, Roy, Wendy and VillagerBoy;

Rosalina mods con go over
Bowser, DK, Roy, Morton and DryBowser;

MetalMario mods con go over
Mario, Luigi, Daisy, Yoshi, Toad, Koopa, BabyMario, BabyLuigi, BabyPeach, BabyDaisy, Wario, Waluigi, Roy, Wendy and VillagerBoy;

Yoshi mods con go over
Toad, Koopa, BabyMario and BabyLuigi;

Toad mods con go over
ShyGuy

Koopa (Nokonoko) mods con go over
Toad, BabyMario and BabyLuigi;

ShyGuy mods con go over
???

Lakitu mods con go over
Larry;

Toadette mods con go over
???

BabyMario mods con go over
BabyLuigi and ShyGuy;

BabyLuigi mods con go over
Toad, BabyMario, ShyGuy and Roy;

BabyPeach mods con go over
???

BabyDaisy mods con go over
???

BabyRosalina mods con go over
Rosalina (PR), Toad, Koopa, ShyGuy (PR), Lakitu (PR), BabyMario, BabyLuigi, Bowser, DK (PR), Iggy (PR), Roy, Larry (PR), Ludwig, Morton and DryBowser;

RosePeach mods con go over
???

Bowser mods con go over
Toad, Koopa, ShyGuy, Lakitu, BabyMario, BabyLuigi, DK, Roy, Larry, Iggy, Morton, TanukiMario and DryBowser;

DK mods con go over
Dry Bowser;

Wario mods con go over
Wendy;

Waluigi mods con go over
???

Iggy mods con go over
Roy and Larry;

Roy mods con go over
Iggy;

Lemmy mods con go over
???

Larry mods con go over
Iggy and Lakitu;

Wendy mods con go over
Mario, Luigi, Daisy, MetalMario, Yoshi, Toad, Koopa, BabyMario, BabyLuigi, BabyPeach, BabyDaisy, Wario, WaLuigi, Roy, TanukiMario and VillagerBoy;

Ludwig mods con go over
???

Morton mods con go over
???

TanookiMario mods con go over
???

CatPeach mods con go over
???

Link mods con go over
???

VillagerBoy mods con go over
???

VillagerGirl mods con go over
Peach

Isabelle mods con go over
???

DryBowser mods con go over
DK;

(PR) = PARTIALLY, because the custom character's hair isn't as it should be.

Obviously you can put Mario mods over Mario, Luigi over Luigi and etc. Hope it helps, and I hope you will help me to finish this list!