Blooper
It is a squid-like thing found in Ricco Harbor. You can spray it to make it dizzy for a while, or you can squish it for a coin.
Blue Bullet
It's like a Bullet Bill, but when sprayed it makes a Water Carton.
Bob-omb
A walking black bomb that appears in multiple places. They can be stunned by spraying them and then thrown at the moles in the red cannons.
Boo
A Slobbering ghost that can turn invisible and mimic a coin or Shadow Mario.
Bowser
The Final Boss in the game he is also partnered up with Bowser.Jr who caused the crime and made Shadow Mario and the graffiti.They are at Corona Mountain. To defeat them run to each of the five corners and keep spraying Water.
Bubba
Bullet Bill
A missile that comes from the red cannon operated by a monty mole, and can either be sprayed or jumped on to be defeated.
Cataquack
Huge, walking ducks that appear in Gelato Beach. They will chase after Mario if he is spotted by one or more. The Blue ones do no damage to Mario whilst the red ones do.
Cheep-Cheep
Electro Koopa
Gold Bullet
It's like a Bullet Bill, but when sprayed, it makes ten coins.
Gooper Blooper
A larger form of a Blooper with a cork in its mouth. It is a boss in some levels.
Goopy
Hen Puffy
Mecha Bowser
Another Boss being controlled by Bowser.Jr
Pig Puffy
Pokey
Strange, large enemies that are made of spiky yellow spheres for a body that are disguised as regular pink flowers until Mario comes close.
Pop-Up Flower
Shadow Mario
In certain times, he will carry a Yoshi Egg or one of FLUDD's attachments. He is a boss for some levels.
Seedy Pod
Seedy Pods are like Mini Pokeys but are dark blue and do not live in the ground. When mario comes to close they will go underground and start releasing seeds out of their exposed flowers that hurt Mario
Sleeping Boo
A HUGE Boo that is asleep in the hotel. It can only be defeated with Yoshi.