Alex (Mario Tennis)

Marioverse
Mario | Luigi | Princess Peach | Princess Daisy | Bowser | Bowser Jr. | Rosalina | Lumas | Toad (Blue Toad | Yellow Toad | Toadsworth | Toadette | Captain Toad) | Birdo | Pauline | F.L.U.D.D. | Cappy | Tiara | Dr. Mario | Dr. Luigi | Professor Elvin Gadd | MC Ballyhoo | Lakitu | Poochy | Kylie Koopa | Prince Peasley | Prince Dreambert | Mallow | Geno | Alex | Nina | Harry | Kate | Azalea | Joe | Sherry | Kid |

Yoshi's Colors
Green | Pink | Light Blue | Yellow | Orange | Purple | Brown | Red | Blue | Black | White |

DKverse
Kong Family (Cranky Kong | Donkey Kong | Donkey Kong Jr. | Diddy Kong | Dixie Kong | Funky Kong | Tiny Kong | Candy Kong | Lanky Kong | Chunky Kong | Swanky Kong | Wrinkly Kong) | Klubba | K. Lumsy | Xananab | Rambi the Rhinoceros | Squawks the Parrot | Enguarde the Swordfish | Rattly the Rattlesnake | Expresso the Ostrich | Ellie the Elephant | Squitter the Spider |

Warioverse
Wario | Waluigi | Ashley | Mona | Kat & Ana | Jimmy T. | Dribble & Spitz | 5-Volt | 9-Volt | 18-Volt | Dr. Crygor | Orbulon | Mike | Penny Crygor | Young Cricket & Master Mantis |

Baby Versions
Baby Mario | Baby Luigi | Baby Yoshi | Baby Peach | Baby Daisy | Baby Wario | Baby Donkey Kong | Baby Rosalina | Baby Luma |

Paperverse
Paper Mario | Goombario | Kooper | Bombette | Parakarry | Lady Bow | Watt | Sushie | Lakilester | Goombella | Koops | Madame Flurrie | Yoshi Kid | Vivian | Admiral Bobbery | Ms. Mowz | Tippi | Luvbi | Lord Blumiere |

Other
Metal Mario | Metal Wario | Link | Little Mac | Duck Hunt | R.O.B. | Mr. Game and Watch | Captain Falcon | Villager | Isabelle | Inkling |