Goomba Towers are Goombas stacked onto each other. There can be up to ten Goombas stacked up. The act just like normal Goombas. If there are eight or more stacked on each other the player can get a 1-Up if they stomp on all the Goombas.
Mega Goombas are the largest Goombas. They walk the slowest and when jumped on they split into 2 Grand Goombas. It takes 6 Fireballs to defeat them. If the player throws an Iceball at them they will not stay frozen for a while.
Koopa Troopas are one of Bowser's minions. The green ones will walk off ledges while the red ones turn around at ledges. Jumping on them will make them go in their Shell. There are also Koopas that climb on fences. The green ones are slow and the red Koopas climb faster. They do not go into their shells when jumped on.
Gargantua Koopa Troopas are giant Koopas. They are slow and they act the same as their smaller ones. Their shells can only be kicked and not picked up. There Shells don't bounce back when they hit regular Brick Blocks but when the hit larger Brick Blocks the shell will bounce back.
Bombshell Koopas are Koopas with soft shells. When stomped on the will hide in their Shell. They cannot be kicked but can be picked up and dropped. When their Shells start blinking red they will explode.
Sumo Bros. are large Koopas that stomp on blocks causing a thunderbolt to strike the ground and cause fire to form. They can only be defeated by Ice form, Invincible form, Hammer form, Earthquake form, Gold form, and Mega form.
Chargin' Chucks are large Koopas that can do various attacks. Many Chargin' Chucks will charge into the player, this can be useful because they can break Blocks to reveal hidden areas. They can also throw footballs and throw baseballs. Also some Chucks jump in the air to block the player. It takes 5 hits to defeat them. They can be frozen too but cannot be picked up when frozen.
Magikoopas are Koopas that wear robes and have a magic wand. They can cast a spell using their wands and can turn blocks into enemies. Some enemies that will appear after a block was hit a magic spell are Goombas, Koopas, Spinies, Monty Moles and Bob-ombs. They can also teleport to different areas. Magikoopas can be defeated like must enemies.
Lakitus fly in the sky. They will throw Spiny Eggs which will turn into Spinies. The can be defeated like must enemies but if the player throws a Fireball, a Shell, or throws a Hammer at them their clouds will not disappear. The player can ride in their clouds for a short time.
Spinies are small Koopas that are thrown from Lakitus. They cannot be jumped on since they have spikes on their shells. They be defeated by a Fireball or a way that doesn't involve jumping on them. Some also cling to the ceilings and drop down when the player is near them.
Buzzy Beetles are Koopa-like enemies. They have a shell that is immune to Fireballs. They act just like Koopas. They are mainly found in caves and can also cling to the ceilings and drop down to attack.
Bony Beetles are undead Buzzy Beetles. The walk around and at some point they will stop and their spikes will pop up so the player can't jump on them. When their spikes aren't out the player can jump on them and the will break apart like Dry Bones. The can be defeated with a Iceball or a cape twirl.
Para-Beetles are Buzzy Beetles that fly in the air. They cannot be defeated at all. If the player jumps on one it will fly higher, if the player jumps on a Heavy Para-Beetle it will fly lower. Jumping on 8 will make a 1-Up Mushroom fall from the sky.
Piranha Plants are plants that live in pipes. They will come out and chomp on anyone who comes near. They can't be jumped on because of their sharp teeth but the easiest way to defeat them is using a fireball. Some Piranha Plants are also found on the ground or on ceilings chomping at the player. There is also a larger species called a Piranhacus Giganticus which are only found in World 4 and also Super Piranha Plants.
Venus Fire Traps are Piranha Plants that are able to spit out fireballs. They can be defeated like other Piranha Plants. They can be inside or outside of Warp Pipes. There are Super Venus Fire Traps which are larger and are only found outside of Pipes. Their fireballs are larger than normal fireballs.
Venus Ice Traps are Cyan Piranha Plants that spit out Iceballs, it can freeze the player as well as enemies. Using a Fireball can melt the Piranha Plant's Iceballs. It can be defeated like most Piranha Plants.
River Piranha Plants are Piranha Plants that float on the water. They blow green spiked balls in the air like Ptooies. Sometimes the will blow lightly which the spiked ball will move down. Their spiked balls can be destroyed in Invincible form, while they plants can be defeated like most Piranha Plants.
Bone Piranha Plants are Piranha Plants that are made of bones. They can't be defeated by a Fireball. They act just like Piranha Plants. Also there are Super Bone Piranha Plants which are larger versions.
Deep-Cheep are green Cheep-Cheep that can chase the player. They are usually found in pairs. There is a larger kind called a Mega Deep-Cheep. They can be defeated with a fireball and other ways as well.
Porcu-Puffers are large fish that swim on the surface of the water. They will jump out and try to hurt the player. They have spikes so they can't be jump. If they will get defeated another one will come after a bit.
Bullet Bills are missiles that are shoot from Bill Blasters. They soar through the air, the can be jumped on. A Fireball cannot defeat them but other power-ups can. There are larger species of Bullet Bills as well as different types.
Banzai Bills are larger versions of Bullet Bills, they are shoot out from Banzai Bill Blasters. They move slower and spin around. They can be simply jumped on, freezing them with an Iceball will make them stop for a second and break from the block of ice.
King Bills are the largest type of Bullet Bills in Super Mario World U. The are invincible and cannot be defeated in any way. The can break through almost any type of block, they move at different speeds and can be shoot from different sides of the level.