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Because I'm an evil Koopa Wizard! I don't need a reason to be mean or nasty. It's my nature!
~ Wizardheimer

Wizardheimer is the main antagonist of the Super Mario World cartoon episode "Ghosts 'R' Us". He is an evil Koopa Wizard who inhabits the Enchanted Forest of Dinosaur Land, imprisoning trespassers in the basement of his haunted house.

He was voiced by John Stocker.


While Mario and his pals were searching for Oogtar the caveboy in the Enchanted Forest, Luigi accidentally bumps into Wizardheimer. Luigi apologizes by addressing him as a regular Koopa Wizard, but Princess Toadstool corrects him, claiming that the wizard is "Wisenheimer", the most terrible Koopa Wizard of them all. Wizardheimer angrily shouts out his correct name while summoning a bolt of lightning, scaring away Yoshi. He then orders Mario, Luigi, and Toadstool down a Warp Tube to his haunted house, threatening to blow them up with a Bob-omb should they refuse. After they jump in, Wizardheimer follows them in, where he shackles the trio in the basement. Toadstool demands to know what Wizardheimer wants from them, to which he coldly remarks that being evil was simply his nature. Before leaving, he taunts them that he loves to have his guests "hang" around.

Meanwhile, after Yoshi saves Oogtar from Piranha Plants and a Wiggler, he tells the caveboy about Wizardheimer kidnapping the group and imprisoning them in his mansion. Dauntless, Oogtar marches over to Wizardheimer's house and knocks on the door, to which the wizard answers and orders him to scram. Oogtar demands to be brought to his friends. Wizardheimer sarcastically agrees to Oogtar's request by warping the caveboy to the basement and chains him up as well.

Now realizing that it is left to him to save his friends, Yoshi muscles up his courage and rushes inside the haunted house, past Wizardheimer's traps and ghost minions. On the basement stairs, he is attacked by Wizardheimer himself, shooting Yoshi with magical spells. With advice from Oogtar to use his tongue, Yoshi snatches Wizardheimer's wand and eats it, leaving the Koopa Wizard powerless. Wizardheimer demands Yoshi to spit back up his wand, only for Yoshi to belch out a blast that cuts the prisoners' restraints. The now free Mario defeats Wizardheimer by jumping on his head, sending him tumbling down the stairs straight into the bowels of his own basement.

It is unknown what has happened to Wizardheimer afterwards.


Wizardheimer is a cunning Koopa Wizard who imprisons citizens of Dinosaur Island in the dungeon of his basement simply for trespassing into his forest. He also appears to be obnoxious, given his loud and overblown voice, alongside his intolerance for people mispronouncing his name.



  • The name "Wizardheimer" is a portmanteau of "Wizard" and "Wisenheimer".
  • A running gag in the episode involves Wizardheimer's name being continuously mispronounced by the other characters, much to his chagrin.


           TheMario.png Villains

Koopa Troop
Bowser | Baby Bowser | Bowser Jr. | Captain Goomba | Koopalings (Larry Koopa | Morton Koopa Jr. | Wendy O. Koopa | Iggy Koopa | Roy Koopa | Lemmy Koopa | Ludwig Von Koopa) | Kamek | King Boo | Boom Boom | Pom Pom | Reznor | Mega Goomba | Lakithunder | Mummipokey | Burt the Bashful | Salvo the Slime | Roger the Potted Ghost | Koopa Kids | Hoo | Blizzaurus | Army Hammer Bro | Elite Trio
Super Mario 64
King Bob-omb | Whomp King | Goomba King
Galaxy Armada
King Kaliente | Bugaboom | Peewee Piranha | Topmaniac | Bouldergeist | Dino Piranha | Major Burrows | Prince Pikante | Rollodillo | Glamdozer | Giga Lakitu | Petey Piranha | Gobblegut
Super Mario 3D World
Super Mario Odyssey
Mechawiggler | Broodals (Topper | Harriet | Spewart | Rango) | Madame Broode | Ruined Dragon | Cookatiel | Torkdrift
Goombas | Boos | Koopa Troopas | Chain Chomps | Hammer Bros. | Shy Guys | Magikoopas | Pokeys | Lakitus | Toadies | Bob-ombs | Piranha Plants | Bloopers | Wigglers
8 Bit Club
Wart | Mouser | Tryclyde | Fryguy | Clawgrip | Birdo | Shy Guys
Smithy Gang
Smithy | Exor | Mack | Bowyer | Yaridovich | Axem Rangers | Blade | Count Down | Domino
Beanbean Kingdom
Cackletta | Fawful | Dark Star | Midbus | Fawful Express | Fawful Mountain | Super Peach's Castle of Fury | Crawful | Snawful | Chain Chawful | Fawflant | Fawful Guy | Fawfulcopter | Fawflopper | Mawful Mole | Mechawful
Popple | Rookie | Beanies | Mechawful | Sharpea | Troopea | Beanerang Bro | Clumphs | Lakipea
Elder Princess Shroob | Princess Shroob | Sunnycide
Antasma | Belome | Best Fitness Friends | Big Guy the Stilted | Black Jewel | Booster | Bowser (USA) | Chuckolator | Count Cannoli | Croco | Culex | Dodo | Donkey Kong | Donkey Kong (Mario VS Donkey Kong) | Draggadon | Foreman Spike | Gooper Blooper | Grouchy Possessor | Harsh Possessor | Jojora | Kaptain Skurvy | Kent C. Koopa | King K. Rool | Kritters | Lucien | Mario | MegaBug | Mollusque-Lancuer | Nabbit | Overset Possessor | Peps | Phantamanta | Portrait Ghosts: (Neville | Chauncey | Bogmire | Biff Atlas | Boolossus | Sir Weston | Vincent Van Gore) | Rabbids: (Ziggies | Phantom of the Bwahpera | Rabbid Kong) | Punchinello | Ricky | Rudy the Clown | Sabasa | Shake King | Shrewd Possessor | Smorg | Squizzard | Tatanga | Three Little Pigheads | Tolstar | Tough Possessor | Tower Power Pokey | Valentina | Viruses | Waluigi | Wario | Watinga | Wingo | Yellow Belly/Helio

Koopa Troop
Paper Bowser | Paper Bowser Jr. | Paper Koopalings (Larry Koopa | Morton Koopa Jr. | Wendy O. Koopa | Iggy Koopa | Roy Koopa | Lemmy Koopa | Ludwig von Koopa) | Paper Kamek | Kammy Koopa | Paper Petey Piranha | Goomba King | Red & Blue Goomba | Koopa Bros | Tutankoopa | Tubba Blubba | General Guy | Lava Piranha | Huff N. Puff | Crystal King
Goombas | Boos | Koopa Troopas | Chain Chomps | Hammer Bros. | Shy Guys | Magikoopas | Bob-ombs | Piranha Plants
Secret Society of X-Nauts
Sir Grodus | Lord Crump | Shadow Sirens | Doopliss | Shadow Queen
Count Bleck's Minions
Count Bleck | Nastasia | O'Chunks | Mimi | Dimentio | Mr. L
Folded Soldiers
King Olly | Handaconda | Paper Macho Soldiers
Legion of Stationery
Colored Pencils | Rubber Band | Hole Punch | Tape | Scissors | Stapler
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President Koopa | Lena | Iggy and Spike

Big Bad Wolf | Count Koopula | "Crime Wave" Clyde | King Koopa | Robot Princess | Wizardheimer
King Koopa (OVA) | King Koopa (Amada)

See Also
Donkey Kong Villains | Luigi's Mansion Villains | Wario Villains