Enemy | Description | Game(s) |
Aquis
 | A seahorse that shoots balls of energy. | Sonic 2 (Oil Ocean Zone) |
Asteron
 | This enemy does not do anything until you get close. After that happens, it gets closer and explodes, sending spikes in five directions. | Sonic 2 (Metropolis Zone) |
Ball Hog
 | Look out for the energy spheres it throws. | Sonic 1 |
Balkiry
 | These birds are harmless. | Sonic 2 (Sky Chase Zone) |
Batbot
 | Bats that fly around and can cling to ceilings. | Sonic 3 |
Blastoid (1)
 | Shoots energy balls from its forehead, which ricochet off of any shield. | Sonic 3 |
Blastoid (2)
 | | Sonic 3 |
Blaster
 | See Blastoid (1). | Sonic 3, Sonic & Knuckles |
Bubbles
 | Time your leaps at it so that it does not have its spikes out when you hit. | Sonic 3 |
Bugernaut
 | See Whisp. | Sonic 3 |
Burrobot
 | | Sonic 1 |
Buzz Bomber
 | Shoots at Sonic from above. | Sonic 1 |
Buzzer
 | Buzz-Bomber | Sonic 2 (Emerald Hill Zone) |
Catakiller, Jr.
 | It floats through the air. Attack only its head! | Sonic 3 |
Caterkiller
 | Attack only the head. If Sonic hits a back section, all of the pieces will scatter while damaging Sonic. | Sonic 1 |
Chainspike
 | Invincible! Avoid unless you can time Insta-Shield perfectly! | Sonic & Knuckles |
Chop Chop
 | | Sonic 2 (Aquatic Ruin Zone) |
Chopper
 | Fish that jump from the water. Be wary of them when crossing bridges. | Sonic 1 |
Clamer
 | These robots shoot energy beams. They are only attackable from the front, as their shell will fling anyone who jumps on it far away. | Sonic 3 |
Cluckoid
 | They blow gusts of wind that can send you flying. | Sonic & Knuckles |
Coconuts
 | Climbs trees and throws coconuts at Sonic and Tails. | Sonic 2 (Emerald Hill Zone) |
Corkey
 | | Sonic 3 |
Crabmeat
 | | Sonic 1 |
Crawl
 | Watch out for its claw and its bumper. Attack it from the top and off to the side of the claw. | Sonic 2 (Casino Night Zone) |
Crawlton
 | Caterkillers that shoot from walls at unsuspecting miners. | Sonic 2 (Mystic Cave Zone) |
Dragonfly
 | | Sonic & Knuckles |
Eggrobo
 | Watch out for their gun shots. They float, too. | Sonic & Knuckles |
Fireworm
 | See Catakiller, Jr. | Sonic & Knuckles |
Flasher
 | Invincible while the light in back is on! | Sonic 2 (Mystic Cave Zone) |
Flybot 767
 | Basically whisps, but Flybot 767's also appear when you trigger an alarm. | Sonic 3 |
Grabber
 | Grabber latches on to Sonic or Tails and makes them lose their rings, even when jumping. Attack from above. | Sonic 2 (Chemical Plant Zone) |
Grounder
 | Look out, because sometimes they pop out of solid bricks. | Sonic 2 (Aquatic Ruin Zone) |
Jaws
 | | Sonic 1 |
Jawz
 | A shark that flies through the air. | Sonic 3 |
Mantis
 | They hide in the grass. Watch out, as they will leap up and attack when you come close! | Sonic 3 |
Masher
 | Chopper | Sonic 2 (Emerald Hill Zone) |
Mega Chopper
 | Underwater Choppers. | Sonic 3 |
Monkey Dude
 | See Coconuts | Sonic 3 |
Motobug
 | | Sonic 1 |
Mushmeanie
 | They hop around until you attack them twice. | Sonic & Knuckles |
Nebula
 | Jump on top of them before they get too high. | Sonic 2 (Sky Chase Zone) |
Octus
 | Look out for their mouths, where shots come out. | Sonic 2 (Oil Ocean Zone) |
Orbinaut
 | A Star Pointer with unmeltable spikes. Until it uses its spheres up, only Sonic's Insta-Shield can penetrate it. | Sonic 3 |
Penguinator
 | They come diving at you. Not much harm. | Sonic 3 |
Pointdexter
 | Wait for its spikes to retract, then jump at it. | Sonic 3 |
Rexon
 | Once you destroy its head, you can stand safely on its body. | Sonic 2 (Hill Top Zone) |
Rhinobot
 | Almost harmless. Just spin right over it. | Sonic 3 |
Ribbot
 | Watch out for its dropping spheres as you zoom by. | Sonic 3 |
Roller
 | These guys seemingly come from nowhere. Try to stay in a spin attack on empty ground. | Sonic 1 |
Sandworm
 | These guys are Caterkillers that lunge at you from the sand. | Sonic & Knuckles |
Skorp
 | Skorps use their spiked ball to hit you. Duck! | Sonic & Knuckles |
Slicer
 | Slicers will throw their sharp forearms at you. Be careful! | Sonic 2 (Metropolis Zone) |
Snale Blaster
 | It can only attack when its guns are showing, but the case is same for you. | Sonic 3 |
Spikebonker
 | Get ready to move when it starts twirling its spiked ball. | Sonic & Knuckles |
Spiker (1)
 | The giant spike on its head can be launched at you. | Sonic 2 (Hill Top Zone) |
Spiker (2)
 | It shoots energy balls that don't go very far and wears what seems to be a bed of spikes and is actually a spring. | Sonic 3 |
Spiny
 | Opens its top and shoots out energy balls. Attack from the side. | Sonic 2 (Chemical Plant Zone) |
Star Pointer
 | They will throw their ice at you and leave themselves open to attack, or you could melt their ice with a lightning shield. | Sonic 3 |
TechnoSqueek
 | They hang around on walls. | Sonic 3, Sonic & Knuckles |
Toxomister
 | Attack its eye. If you get caught in its smoke, it will drain your rings slowly. Spin dash to escape. | Sonic & Knuckles |
Tunnelbot
 | Robotnik uses these to make Sonic's path harder to travel. He has them create earthquakes that shift the environment. | Sonic 3 |
Turbo Spiker
 | Watch out for its large spike, which can be sent flying. Attack it from the front. | Sonic 3 |
Turtloids
 | They are disarming until they start firing at you. The bottom Turtloid is indestructable. | Sonic 2 (Sky Chase Zone) |
Whisp
 | Nearly harmless flying bugs. | Sonic 2 (Aquatic Ruin Zone) |