Credits:
Sally: A blue Paratroopa from the Mario series. With a blonde ponytail.
Dawn: A girl Goomba from the Mario series.
Owen: A Hammer Bro. from the Mario series.
Ollie: A Lakitu from the Mario series.
Cosmos: A red-shell Koopa in the Mario series. Her shiny shell and her bronze hair make her special.
Sally's army: The Koopa Troop (except Bowser and the Koopalings).
Mario: The main character in the Mario series. In this story, he is from the Paper Mario series.
Olivia and Bobby: Characters from Paper Mario: The Origami King.
Kamek and Bowser Jr: The secondary antagonists in the Mario series. In this story, They are from Paper Mario: The Origami King (which helps Mario).
Kirby, Meta Knight, Marx, Susie, Magolor, King Dedede, B.W. Dee, the Three Mage Sisters, Rick & Kine and Coo: Dream Friends from Kirby Star Allies.
Hyness, Void Termina: Bosses from Kirby Star Allies.
Wheelie: Helper from the Kirby series.
Chilly, Parasol Waddle Dee, Waddle Doo, Jammerjab: Helpers from the Kirby series.
Vivian: A Pokémon professor who represents the writer (Guest5285).
Carmen: A Pokémon trainer who is the Champion of the Kanto region. Represents the writer's best friend.
Jack: A Pokémon trainer who likes abusing Pokémon. His name is based on what the writer named her rival when first played 'Pokémon: Let's Go, Eevee!'
Rex: Jack's twin brother. His name is a reference of the writer's younger brother.