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{|class="navbox mw-collapsible mw-collapsed" width="100%" style="text-align:;eft; clear:both; font-size:75%; font-family:Verdana;" ! style="background:#cc33ff;" colspan="3" align="center"| !rowspan=3 style=background:#d966ff|Characters !style=background:#e699ff|Protagonists !style=background:#e699ff|Non-playable !style=background:#e699ff|Antagonists !rowspan=1 style=background:#d966ff|Enemies !style=background:#e699ff|Enemies !rowspan=1 style=background:#d966ff|Bosses !style=background:#e699ff|Main Bosses
 * Mario • Luigi • Yoshi • Co-Star Luma
 * Princess Peach • Rosalina • Captain Toad • Toad Brigade • Piantas • Penguru • Queen Bee • Honeybees • Penguins • Gearmos • Lubba • Lumalee • Hungry Lumas • Luma • Lumas • Giant Luma • Bob-omb Buddies • Star Bunnies • Boards • Coach • Cosmic Spirit • Ghost • The Chimp • Whittles • Fluzzard • Jibberjay
 * Bowser • Bowser Jr.
 * Amp • Banzai Bill • Bat • Big Boo • Big Koopa Troopa • Big Paragoomba • Big Piranha Plant • Big Thwomp • Big Wiggler • Blooper • Bob-omb • Bomb Boo • Bomp • Boo • Boomerang Bro • Boulder • Bullet Bill • Cheep Cheep • Chibi Wanwan • Chomp • Choppah • Clam • Cluckboom • Crabber • Cosmic Clone • Digga • Dry Bones • Electric Pressure • Elite Octoomba • Fire Bar • Fire Cannon • Fizzlit • Flaptack • Flipbug • Flomp • Fuzzy • Golden Chomp • Goomba • Goombeetle • Grand Goomba • Gray Bowser Statue • Grinder • Gringill • Gummit • Hammer Bro • Jack O'Goomba • Jammyfish • Jellyfish • Kleptoad • Koopa Troopa • Lakitu • Lava Bubble • Lava Bubble (blue) • Lava Geyser • Ledge Hammer • Li'l Brr • Li'l Cinder • Magikoopa • Magmaargh • Magmaw • Mandibug • Mattermouth • Mechakoopa • Octoboo • Octoomba • Octoguy • Octopus • Paragoomba • Petari • Pinhead • Piranha Plant • Pokey Head • Porcupuffer • Prickly Piranha Plant • Pupdozer • Rhomp • Scuttlebug • Sentry Beam • Silver Chomp • Skeeter • Slurple • Smeech • Snoodle • Spiky Topman • Spiny • Spiny Hermit • Spiny Piranha Plant • Stretch Plant • Swaphopper • Thorny Flower • Thwomp • Topman • Topmini • Tox Box • Twirlip • Undergrunt • Undergrunt Gunner • Urchin • Venus Flower Trap • Water Shooter • Whimp • Whomp • Wiggler
 * Peewee Piranha • Giga Lakitu • Digga-Leg • Gobblegut • Mandibug Stack • Bugaboom • Rollodillo • Sorbetti • Megahammer • Glamdozer • Squizzard • Prince Pikante • Boomsday Machine • Whomp King • Fiery Gobblegut • Giant Bowser • Dino Piranha • King Kaliente • Major Burrows • Bouldergeist • Fiery Dino Piranha