Weight Tiers refer to how heavy a character is. There are 3 classes, Middleweights, Heavyweights, And Lightweights. Middleweights are the most balanced characters, heavyweight characters are the most powerful and slow characters and lightweights characters are the most powerless and fast character.
Heavyweights[]
4: Wart
5: Wario
6: WwwWario
Middleweights[]
7: Fawful
8: Peach
9: Kamek
11: Luigi
13: Mario
14: Waluigi
15: Yoshi
Lightweights[]
16: Geno
17: E.Gadd
18: Bowser Jr.
19: Koopa
20: Toad