Mario
Weapons: hammer, sword of red, fludd, cappy
Elements: fire, dark

Luigi
Weapons: hammer, sword of green
Elements: thunder, light

Wario
Weapons: bag, motorcycle
Elements: fire, light

Waluigi
Weapons: motorcycle, racket
Elements: thunder, dark

Bowser
Weapons: shell hammer, koopa armour
Elements: fire, dark

Bowser jr
Weapons: clown car, brush, hammer, wand
Elements: fire, dark

Peach
Weapons: parasol
Elements: love, light

Toad
Weapons: hammer, headlight
Elements: light

Toadette
Weapons: hammer, headlight
Elements: light

Nabbit
Weapons: bag, stuff in his bag
Elements: fire, thunder, dark, light

Simon
Weapons: hammer, hatop, fludd2.0
Elements: fire, thunder, dark, light

Geno
Weapons: body
Elements: fire, thunder, dark, light

Fuzz
Weapons: none
Elements: dark

Smasher
Weapons: hammers, boomerangs, fire, iced
Elements: light, ice

Bouncer
Weapons: fists
Elements: dark, ice

New challenger:

Captain K
Weapons: shells, wand, hammers, bones
Elements: fire, thunder, dark, light, water, ice