You can see a few interesting things from this one, like how
the Iggy Koopa fight seems to work much like the one in New Super Mario Bros Wii with the giant chain chomp dragging him around.
The characters that I play with the most, so far, are Luigi, Yoshi, Toad, Shy Guy, Koopa Troopa, &
Iggy Koopa.
In a direct homage to his boss fight from New Super Mario Bros Wii,
Iggy Koopa rides around in some kind of vehicle that's pulled by a Chain Chomp.
Block, and in the same level, another one rides one of the three chariots during
the Iggy Koopa battle, called Chariot Bro.
Their names are: Larry Koopa, Morton Koopa Jr., Wendy O. Koopa,
Iggy Koopa, Roy Koopa, Lemmy Koopa and Ludwig von Koopa).
In the final book, Brain Drain,
Iggy Koopa's Synapse Switcher swaps the minds of some traffic officers and Piranha Plants, resulting in widespread havoc on the Fungus Freeway.
In order to bring back the piece to the Big Island, as well as to reverse the king to his natural form, Mario must go to
Iggy Koopa's airship and defeat him there.
Early on in the Nintendo Adventure Book Leaping Lizards, Luigi can acquire a Frog Suit, which he needs if he encounters a swarm of Bloopers in a body of water in
Iggy Koopa's secret lab; the Frog Suit allows Luigi to deflect some Sleepy Ink they spray at him.
Due to
Iggy Koopa's Synapse Switcher, Luigi can switch minds with one, allowing him to go undercover in Iggy's hideout.
The one who is responsible for this is yet another descendant of the main antagonist of the whole franchise (Bowser)-
Iggy Koopa.
Not exact matches
Pretty much every Mario character in the movie gets rewritten and redesigned into something that in no way resembles its former self, but two of the most curious inclusions are
Iggy and Spike, King
Koopas top henchmen.
In the interactive OVA Super Mario World: Mario to Yoshi no Bōken Land, several
Koopa Troopas appear under the command of
Iggy, but they are defeated by Mario, Luigi, and Yoshi.
In the interactive OVA Super Mario World: Mario to Yoshi no Bōken Land, after
Iggy's horde of
Koopa Troopas, Rexes, and Chargin» Chucks is defeated by Mario, Luigi, and Yoshi, he summons a group of
Koopa Paratroopas and Monty Moles.