A gluttonous skull enemy from Haunty Halls Galaxy.

A yellow enemy with a metal nut on its head that periodically emits spherical rings of electricity.

A purple blow fish enemy from Drip Drop Galaxy and Cosmic Cove Galaxy.

A mechanical spring enemy that bounces off Boo Mario upon contact. It is used in Boo's Boneyard Galaxy.

A bat enemy that is mostly found in cave sections.

A large rectangular stone block enemy that can attack by falling onto the player.

A green plant with red spikes that will try to lunge at the player to damage them.

A small yellow robot enemy that is always spinning.

A black hole that spawns Topminis. Defeated Topminis will respawn after some time.

A black hole that spawns Spring Topmen. Defeated Spring Topmen will respawn after some time.

A red spiky robot enemy that is always spinning.

A yellow robot enemy whose head can be bounced off.

An electric ball-shaped enemy that moves on a set path.

A small electrical enemy that moves on a path or in a circular motion.

A fat bird that drops bombs; used in Dusty Dune Galaxy and Slipsand Galaxy.

A bomb enemy that explodes after a few seconds (once its fuse is lit).

An enemy dispenser that releases Bob-ombs.

A black boo that explodes when it hits something; used in Ghostly Galaxy.

A blue Koopa that throws boomerangs.

A dinosaur-like enemy used in Flipsville Galaxy.

A green flying enemy used throughout Super Mario Galaxy 2.

A Li'l Brr that is used for special ChildObj setups.

A Fire Ball Magikoopa that is used for special ChildObj setups.

A Goomba that is used for special ChildObj setups.

A Swimming Gringill that is used for special ChildObj setups.

A black spiky enemy that appears in both Honeybloom Galaxy and Flipsville Galaxy.

A yellow cactus enemy with spikes on its body that appears in Good Egg Galaxy and Dusty Dune Galaxy.

A flower-like enemy whose movement is defined by paths.

A red cactus enemy with several segments that is used in Dusty Dune Galaxy.

A large stone block that falls periodically, trying to land on Mario.

A massive Thwomp used in Supermassive Galaxy that falls periodically.

The yellow drill bullet enemy used in Spin-Dig Galaxy.

A Magikoopa that casts fireballs.

A blue Lava Bubble that can only be defeated by shooting a Star Bit at it.

A squid-like enemy usually used underwater.

An Undergrunt Gunner that shoots cannonballs; used in Fleet Glide Galaxy.

A blue bug-like enemy with a spike that hops around; intended to be used in 2D sections.

A Koopa Troopa variant that throws hammers at the player.

A big purple Piranha Plant with spikes on its base. It can be defeated by jumping on its head.

A big black Piranha Plant with spikes on its head and body. It can be defeated with another object, such as a Stretch Plant or a Rainbow Star.

A small caterpillar-like enemy.

A bigger version of a Wiggler. May run around aggressively.

A bullet-like enemy that may home onto the player if they get in its range.

A burning rock enemy that floats around and chases after Mario. It will freeze the player upon contact.

A spawner that creates Cosmic Clones.

A small white jellyfish that can be defeated with a spin attack.

A big blue jellyfish that causes electrical damage to the player if they touch it.

A Koopa that sits on a cloud and throws Spinys at the player.

A robot-like enemy that emits electrical rings. Its head can be used as a spring.

A stationary green robot enemy that launches several Topminis when the player comes near it. The head can be bounced off by the player.

A fuzzy jumping spider enemy used in a few galaxies, such as Space Junk Galaxy and Tall Trunks Galaxy.

A Goomba with a pumpkin mask on its head; used in ghost-themed galaxies, such as Ghostly Galaxy and Flash Black Galaxy.

A Magikoopa that casts fireballs.

A Magikoopa that casts Mini Goombas.

A Magikoopa that casts Li'l Cinders.

A blue crab enemy that runs away from the player. Drops a 1-Up when defeated.

A red crab enemy that runs towards the player. Drops Star Bits when defeated.

A small blue enemy that will stick onto player if they get near it. If the enemy is not defeated, it will begin to damage the player.

A dead skeleton of a Koopa Troopa.

An Undergrunt Gunner that shoots Bullet Bills.

A moving underwater mine used in Deep Dark Galaxy and Cosmic Cove Galaxy.

A small bug-like enemy that attacks the player in Bee form and runs away from the player under normal conditions.

The infamous Goomba enemy that appeared in most Mario games since 1985.

A big Goomba that appears in Gateway Galaxy and the Supermassive Galaxy.

A small round Goomba that drops one Coin when jumped on and a Star Bit if spun (always a Coin in SMG1).

Generates larger versions of Bullet Bills.

A small robotic version of a Koopa that can be defeated by Ground Pounding it.

A purple spider that lunges across water.

A burning rock enemy that floats around and chases after Mario. It will burn the player upon contact. If attacked with a Fire Ball, it gets reignited.

A Goomba with a metal helmet on its head.

A mole that resides in a metal hatch and throws wrenches at the player.

A mole enemy with a helmet that moves on a path.

A small blue frog enemy that steals several items; used in Hightail Falls Galaxy.

A small turtle that drops its Shell when jumped on.

A large turtle that can be defeated with the Spin Drill.

A tall tube worm enemy typically found underwater.

A large, gray octopus enemy that shoots both fireballs and coconuts at Mario.

A huge version of a Piranha Plant that appears in the Supermassive Galaxy.

The iconic plant enemy that tries to bite the player.

A flying Goomba with wings.

A huge version of a Paragoomba that appears in Supermassive Galaxy.

A green bag-like enemy that turns invisible and runs away from the player and drops twenty Star Bits once defeated.

A purple blob enemy that jumps around and creates fields of electricity from time to time.

A blue duck-like enemy that can toss the player high into the air.

A pink enemy that tries to cling onto Yoshi, but runs away from the player under normal circumstances.

A fish enemy used in underwater levels.

A fish enemy that is intended to swim on the water's surface.

A blue bird-like enemy that smacks onto the player if they walk under it.

A yellow enemy with spikes on its head that periodically emits rings of electricity.

A green Pokey head used in desert-themed galaxies.

A robot enemy that fires a laser at Mario.

An underwater clam that opens its mouth periodically; contains one Coin inside.

A swimming eel-like enemy.

A large eel that comes out of caves.

A small eel that comes out of caves.

The miniboss fought at the end of the second mission of Honeyhive Galaxy and at the end of the first mission of Puzzle Plank Galaxy.

A purple bug that charges at the player once it spots them.

A spider-like enemy that hangs from a web.

A blue octopus enemy. In SMG1 it swings its head at the player when they get close. In SMG2 it spits rocks at them.

A pink Octoomba that moves away from the player to spit rocks at them from a distance.

A green Octoomba that spits two rocks instead of one.

An undead version of an Octoomba.

A group of Octoboos that move together.

The iconic ghost enemy.

A Big Boo that is followed by four smaller Boos. They move on a set path.

An underwater variant of a Boo.

A black hole that spawns Spiky Topman. Defeated Spiky Topman will respawn after some time.

A bowling pin that can be defeated using the Rock power-up.

An enemy with a red spiky shell on its back.

An undefeatable enemy with a white spiky shell on its back; intended to be used in underwater sections.

A variant of a Spinecone for 2D sections.

A variant of a Spiny that is used on the wooden slide in Tall Trunk Galaxy.

A variant of a Wiggler that is used on the wooden slide in Tall Trunk Galaxy.

A slim tornado enemy with a somewhat wide attraction range.

A large lava enemy that tries to eat the player.

A smaller version of a Magmaargh.

A purple Urchin with spikes on its body; intended for water areas.

A red furry Urchin with spikes on its body; intended for land areas.

A point that periodically spawns several Land Urchins.

A rolling Chomp that moves along a set path.

A rolling golden Chomp that moves along a set path and spawns a Power Star when defeated.

A small rolling Chomp that moves along a set path.

An aggressive version of a Chomp that moves around freely.