Plumber (originally), but also a hero, racer, and athlete. Red cap, blue overalls, mustache, and red shirt.

Wears green, is taller and thinner than Mario, with a distinct mustache. Kind, sensitive, and often nervous, but brave when it counts, especially to save his brother.

Primary antagonist and recurring final boss in the Super Mario series. A large, powerful creature with a spiky shell, horns, sharp teeth, and red hair. Commands an army of Koopa Troopas, Goombas, and other creatures. Has a son, Bowser Jr., and is the adoptive father of the Koopalings

A benevolent, powerful, and calm figure who watches over the cosmos and protects the Lumas. Pale blonde hair, a long cyan dress, and a star-shaped wand. Mother of the stars

Princess of the Mushroom Kingdom, often kidnapped by Bowser, but also a heroine in her own right. Generally kind, gentle, and generous, but can show a more stubborn or temperamental side. tall, slender woman with fair skin, long blonde hair, and vibrant blue eyes. She is famously dressed in a pink, floor-length gown with puffy sleeves, magenta panniers, a blue gem brooch, long white gloves, a gold crown with gems, and red heels.

Princess of Sarasaland, a world outside the Mushroom Kingdom. Energetic, sporty, and tomboyish, contrasting with Princess Peach. Wears a yellow and orange floral-themed outfit.

Son of Bowser, heir to the Koopa Kingdom. A yellow-skinned Koopa with a red-orange ponytail, often wearing a bandana that covers his mouth, sometimes with a drawn-on fanged mouth. Using a paintbrush to spray graffiti. A secondary antagonist who helps his father, though he has shown moments of being misunderstood.

A large brown gorilla, most famously recognized by his red necktie with "DK" on it. Portrayed as a carefree hero who protects his family, friends, and banana hoard, using his strength and agility. The current Donkey Kong is the grandson of the original.

Acts as Bowser's chief advisor, helping him with plans, such as coercing Peach into marriage. Uses his magic wand and other powers, like shrinking and growing creatures, to aid Bowser. Remains fiercely loyal to Bowser. A blue-robed Magikoopa with glasses and a pointy hat, often seen on a broom.

A member of the Toad species, also known as Mushroom People. Princess Peach's loyal attendant, castle guard, and a frequent companion to Mario & Luigi. A small, humanoid figure with a mushroom cap (usually red with white spots) and a blue vest. Generally cheerful and loyal, often portrayed as cowardly, though he can be brave when needed.