This article is about the enemies with spiked balls for defenses. You could be looking for .
Resident location and/or bases
Various Eggman's bases.
Orbinaut refers to a category of sea urchin-based Badniks that are created by Dr. Ivo Robotnik and are recurring enemies in the . The first Orbinaut models appeared in the original Sonic the Hedgehog series , and have since also appeared outside of the video games.
Sonic the Hedgehog
Orbinauts are said to be based off
sea urchins ( uni in Japanese). Orbinauts are different colors of metal orbs which are able to hover in the air. This Badnik's signature weapons are four spiked balls that ringed around of them. Some Orbinauts throw at its prey which is its only method of attack for some of these Badniks. This is also a major weakness; as once all four spiked balls have been thrown, the hovering Orbinaut itself is completely defenseless.
However some Orbinauts do not throw its spike balls away, but keep moving forward and keep ringing its spike balls at same time as keeping its defense on. It is usually impossible to defeat these types of Orbinauts without getting hit, so it is good to avoid them and simply keep moving. Few Orbinauts utilize its spike balls with different methods to stop the player.
Unidasu ( ウニダス Unidasu ) ? 
 A blue variety of Orbinaut that sends the four spiked balls around it forward when an enemy is spotted. It first appears in the Labyrinth Zone from . It is arguably the most recognizable rendition of Orbinaut, as it was retooled with a modernized design for Sonic the Hedgehog . Sonic Adventure
Uni Uni ( ウニウニ ) ? 
 A green variety of Orbinaut that keeps the four spiked balls around it for defense. Unlike the previous model, it can only be defeated while Sonic is invincible or his jump is timed very carefully (or during the brief invulerability period once Sonic loses Rings or his Shield). It first appears in the Star Light Zone from .
Sonic the Hedgehog
 A metallic gray variety that only appears in the Launch Base Zone. It keeps the four spiked balls around it for defense, and only move when the player also moves. It can only be defeated while the player is invincible or with a well-timed Insta-Shield move by Sonic (or, again, while the player character is flashing after being hit).
A red variety of Orbinaut that has four fireballs (one in ) around it instead of spiked balls. It first appears in the Sonic Blast Hill Top Zone from . It became the most recurring offshoot of the Orbinaut series, with remodeled versions debuting in Sonic the Hedgehog 2 .
Appears in the IceCap Zone from and has four spiked ice balls around it. It sends the spiked balls forward to attack. Unlike projectiles from Orbinaut, the ice balls will be destroyed with no ill effects to the controlled character if they have any shield or contact with Sonic the Hedgehog 3 Knuckles' knuckles.
The Flamer is the latest variation of this Badnik from . Flamers are yellow and have spinning flamethrowers. Flamers can be found in Sonic the Hedgehog 4: Episode II Oil Desert Zone and can temporarily ignite fire on the oily landscape.
In other media
The Orbinaut in
. Sonic the Comic
series published by Sonic the Comic Fleetway Editions, the Orbinauts are a part of Dr. Robotnik's Badnik army and are among the first generation of Badniks the doctor produced. Depending on the artist, the Orbinauts' design or coloration would be slightly different between each issue.
A trio of Orbinauts in the
comic series and its spin-offs published by Sonic the Hedgehog Archie Comics, the Orbinauts were among the first generation of badniks produced by Dr. Robotnik. Over time though, the Orbinauts were rendered obsolete by more advanced robots and got decommissioned. Following the events of Worlds Collide, the Orbinauts' history became nearly identical to that of their game counterparts.
Unlike in the games, there has never been made any distinctions between the different types of Orbinauts in the comics. Also, these Orbinauts have also demonstrated the ability to shoot spikes from their spike balls, and are sometimes drawn with mouths.
Navigation Templates to Orbinaut
Sonic the Hedgehog (16-bit)
Sonic | Dr. Robotnik | Animals ( Flicky, Pocky, Pecky, Cucky, Ricky, Picky, Rocky) | Tails* | Knuckles* | Super Sonic* | Super Tails* | Super Knuckles*
Badniks Moto Bug | Buzz Bomber | Chopper | Crabmeat | Newtron | Caterkiller | Bat Brain | Roller | Spikes | Burrobot | Jaws | Orbinaut ( Unidasu, Uni Uni) | Bomb | Ball Hog
Zones Green Hill Zone | Marble Zone | Spring Yard Zone | Labyrinth Zone | Star Light Zone | Scrap Brain Zone | Final Zone | Special Stages
Egg Mobile-H | Marble Zone boss | Spring Yard Zone boss | Labyrinth Zone boss | Star Light Zone boss | Final Zone
Spin Jump | Spin Attack | Spin Dash* | Insta-Shield* | Propeller Flying* | Glide* | Climb*
Ring | Monitor ( Super Ring, Shield, Power Sneakers, Invincibility, Extra Life, S*, Flame Shield*, Aqua Shield*, Thunder Shield*) | Continue | Spring | Star Post | Bumper | Switch | Air Bubbles | Bonus Point | Signpost | Giant Ring | Capsule | Jump Stand | Up and Down | Reverse | Goal
Movable box | Original Soundtrack | Story Comic | Promotional Comic | South Island | Chaos Emerald | Spikes | Totem Pole | Shuttle loop | Winding Tunnel | Crusher | Fan | Fireball Cannon | Spiked Ball | Spear | Fire Statue | Seesaw | Bomb | Debug Mode | Rotating platform | Electric Generator | Flywheel | High-speed elevator | Conveyor Belt | Color Block | Madonna | Sonic the Hedgehog Band ( Max, Mach, Sharps, Vector) | Splats | Blue Sphere
*Exclusive to the
2013 re-release of . Sonic the Hedgehog
Sonic the Hedgehog (8-bit)
Sonic | Dr. Robotnik | Animals ( Flicky, Pocky, Pecky, Cucky, Ricky, Picky, Rocky)
Badniks Moto Bug | Buzz Bomber | Chopper | Crabmeat | Newtron | Caterkiller | Spikes | Burrobot | Jaws | Orbinaut ( Unidasu, Uni Uni) | Bomb | Ball Hog
Zones Green Hill Zone | Bridge Zone | Jungle Zone | Labyrinth Zone | Scrap Brain Zone | Sky Base Zone | Special Stages
Spin Attack | Spin Jump
Ring | Monitor ( Super Ring, Shield, Power Sneakers, Invincibility, Extra Life, Continue, Arrow Monitor) | Spring | Bumper | Switch | Air Bubbles | Signpost | Capsule
Bomb | Chaos Emerald | Conveyor Belt | Crusher | Electric Generator | Fire Statue | Flipper | Seesaw | South Island | Spiked Ball | Spikes | Teleporter | Totem pole
Sonic the Hedgehog 3 & Knuckles
Main articles ( Sonic 3, Sonic & Knuckles, Sonic 3 & Knuckles) | Gallery ( Sonic 3, Sonic & Knuckles) | Beta elements | Staff ( Sonic 3, Sonic & Knuckles)
Sonic ( Super Sonic, Hyper Sonic) | Tails ( Super Tails) | Knuckles ( Super Knuckles, Hyper Knuckles) | Dr. Robotnik | Mecha Sonic ( Mecha Sonic's Super State) | Animals ( Flicky ( Flicky's Super State), Pocky, Pecky, Cucky, Ricky, Rocky)
Batbot | Blaster | Blastoid (Carnival Night Zone) | Blastoid (Hydrocity Zone) | Bloominator | Bubbles | Bugernaut | Butterdroid | Catakiller, Jr. | Chainspike | Clamer | Cluckoid | Corkey | Dragonfly | EggRobo | Fireworm | Flybot767 | Hyudoro | Iwamodoki | Jawz | Madmole | Mantis | Mega Chopper | Monkey Dude | Mushmeanie | Orbinaut | Penguinator | Pointdexter | RhinoBot | Ribot | Rock'n | Sandworm | Skorp | Snale Blaster | Spikebonker | Spiker | Star Pointer | TechnoSqueek | Toxomister | Turbo Spiker
Angel Island Zone | Hydrocity Zone | Marble Garden Zone | Carnival Night Zone | IceCap Zone | Launch Base Zone | Special Stages | Bonus Stages
Sonic & Knuckles
Mushroom Hill Zone | Flying Battery Zone | Sandopolis Zone | Lava Reef Zone | Hidden Palace Zone | Sky Sanctuary Zone | Death Egg Zone | The Doomsday Zone | Special Stages | Bonus Stages
Azure Lake Zone | Balloon Park Zone | Chrome Gadget Zone | Desert Palace Zone | Endless Mine Zone
Doctor Robotnik’s Flame Craft (Angel Island Zone Act 1) | Doctor Robotnik’s Whirlpool Machine | Tunnelbot | Self D-Struct Machine | Iceball | Swing’m Spikez | Hei Hou | Gapsule | Barrier Eggman | Guardian | Heat Arms | Egg Mobile-H | Flying Eggman | Red Eye | Death Ball
Doctor Robotnik’s Flame Craft (Angel Island Zone Act 2) | Doctor Robotnik’s Waterspout and Depth Charge Machine | Doctor Robotnik’s Jet Drill Pod | Doctor Robotnik’s Energy Ship | Doctor Robotnik’s Freeze-O-Matic | Ball Shooter | Beam Rocket | Big Arm | Jet Mobile | Hang Mobile | Egg Golem | Hot Mobile | Knuckles | Mecha Sonic | Mecha Sonic's Super State | Kyodai Eggman Robo | The Doomsday Zone
Bound Jump | Double Jump | Fireball Spin Dash | Glide | Gliding Knuckles Attack | Hyper Flash | Insta-Shield | Propeller Flying | Spin Jump | Spin Dash | Spin Attack | Wall Climb
Air Bubbles | Balloon | Banana | Bomb | Booster | Bumper | Bumper wall | Cannon | Capsule | Change | Chaos Emerald | Cloud | Continue | Fan | Jump Stand | Monitor ( Water Shield, Flame Shield, Invincibility, Lightning Shield, Super Ring, Power Sneakers, Extra Life, S, Eggman) | Movable box | Mushroom | Pulley | Ring | Signpost | Self-Propelled Bomb | Slow-Down Shoes | Snowboard | Sphere | Spikes | Spring | Spinning Top | Star Post ( Star Circle) | Super Emerald | Switch | Transport | Zip Line
Angel Island | Barrel | Blue Knuckles | Conveyor Belt | Corkscrew loop | Crusher | Debug Mode | Fireball Cannon | Flipper | Flywheel | Freezing Machine | Goal | Gravity Control Switch | Gumball | High-speed elevator | Jewel Radar | Perfect Bonus | Platform-raising Wheel | Pole Elevator | Relief | Reverse | Ring Shooter | Seesaw | Shuttle loop | Slot Machine | Sonic & Knuckles • Sonic the Hedgehog 3 | Spear | Spiked ball | Strange Relief | Tunnelbot | Warp Point | Winding Tunnel | Wonderman
Sonic the Hedgehog 4: Episode II
Sonic | Tails | Animals ( Flicky, Pocky, Pecky, Cucky, Picky) | Dr. Eggman | Metal Sonic
Asteron | Balkiry | Batbot | Bubbles | Burrobot | Buzzer | Chop Chop | Chopper | Clucker | Crawl | Flamer | Fullboar | Jaws | Mantis | Moto Bug | Newtron | Orbinaut ( Uni Uni, Unidasu) | Sandworm | Scarabesque | Shellcracker | Slicer | Snowy | Spikes | Steelion | Turtloids | Zoomer
Episode II Zones Sylvania Castle Zone | White Park Zone | Oil Desert Zone | Sky Fortress Zone | Death Egg mk.II Zone | Special Stages
Episode Metal Acts
Mad Gear Zone | Lost Labyrinth Zone | Casino Street Zone | Splash Hill Zone
Egg Serpentleaf | Metal Sonic | Egg Scrap Mech | Metal Carrier | Metal Sonic and Egg Mobile | Metal Sonic (race) | Egg Heart
Copter Combo | Propeller Flying | Homing Attack | Rolling Combo | Spin Attack | Spin Dash | Spin Jump | Submarine Combo | Tornado Boost
Air Bubbles | Bumper | Capsule | Booster | Chaos Emerald | Flipper | Giant Ring | Monitor ( Super Ring, Shield, Power Sneakers, Invincibility, Extra Life, Special Combination, Combination Dash) | Ring | Spring | Star Post | Red Star Ring | Spikes | Switch | Signpost | Zip Line
Conveyor Belt | Crusher | Death Egg mk.II | Fan | Flip Platform | Little Planet | Level Select | Lost Labyrinth treasure | Platform-raising Wheel | Original Soundtrack ( & Episode I) | Strange Relief | Ring Shooter | Stardust Speedway | Shuttle loop | Tails' rocket | Time Attack | Tornado | Totem pole
Sonic Lost World
Main article | Gallery | Re-releases ( PC)
Sonic ( Super Sonic) | Tails | Dr. Eggman | Orbot | Cubot | Knuckles | Amy | Deadly Six ( Zavok, Zazz, Zomom, Master Zik, Zeena, Zor) | Yacker* | Animals ( Flicky, Picky, Cucky, Pecky, Ricky, Rocky) | Omochao* | NiGHTS^ | Yoshi^
Stages Windy Hill | Desert Ruins | Tropical Coast | Frozen Factory | Silent Forest | Sky Road | Lava Mountain | Hidden World* | Special Stage** | Nightmare Zone^ | Yoshi's Island Zone^ | The Legend of Zelda Zone^ | Circus*
Badniks Antlion | Antlion Mother* | Anton* | Aquis* | Balkiry | Ball Hog* | Bat Brain | BFB* | Blowfish Transporter | Blaster* | Bomb* | Boo* | Boom Boo* | Burrobot* | Buzz Bomber | Caterkiller | Chopper* | Clucker | Cluckoid* | Coconuts* | Crabmeat* | Crawl | Crawlton | Dragonfly* | Dung Beetle* | E-06 Bladed Spinner** | E-16 Electro Spinner** | Egg Pawn | Galaga Beecar* | Galaga Beegar* | Galaga Beenor* | Galaga Beespe* | Gohla | Grabber | Gustav Turtle | Jaws | Laser Grabber* | Madmole* | Manbou* | Manta* | Moto Bug | Mushmeanie* | Nebula* | Newtron | Octus* | Orbinaut ( Uni Uni, Unidasu) | Pata-Bata* | Penguinator | Sandworm | Slicer | Snale Blaster* | Spiker* | Spikes* | Sprinkler* | Tarantula* | Tonber* | Turtloids* | Utsubo*
Baku Baku* | Cactus | Sandworm | Sheep* | Surprise Crocodile* | Yeti*
Zazz | Zomom | Master Zik | Zeena | Zor | Zavok | Deadly Six | Eggrobo
Parkour Somersault Kick** | Wall Climb** | Wall Jump** | Wall Run | Vault Dash*
Bound Jump** | Charged Dash** | Double Jump | Flying Kick* | Grinding | Run | Sky Dive | Spin Dash | Spin Jump
Wisps White* | Cyan | Yellow | Indigo | Crimson* | Magenta* | Green* | Black*^ | Red** | Ivory** | Gray**
Color Powers Cyan Laser | Yellow Drill | Indigo Asteroid | Crimson Eagle* | Magenta Rhythm* | Green Hover* | Black Bomb*^ | Red Burst** | Ivory Lightning** | Gray Quake**
RC Vehicles Helicopter RC Vehicle | Fighter Jet RC Vehicle | Stealth Jet RC Vehicle | Hovercraft RC Vehicle | UFO RC Vehicle | Balloon RC Vehicle | Omochao RC Vehicle
** Materials Green Material** | Yellow Material** | Blue Material** | White Material** | Iron Material** | Black Material** | Red Material** | Bronze Material** | Silver Material** | Gold Material**
English voice actors
Roger Craig Smith ( | Sonic) Mike Pollock ( | Eggman) Kate Higgins ( | Tails) Travis Willingham ( | Knuckles, Zavok) Cindy Robinson ( | Amy) Kirk Thornton ( | Orbot, Master Zik) Wally Wingert ( | Cubot) Liam O'Brien ( | Zazz) Patrick Seitz ( | Zomom) Stephanie Sheh ( | Zeena) Sam Riegel (
Japanese voice actors
Junichi Kanemaru ( | Sonic) Chikao Ōtsuka ( | Eggman) Ryo Hirohashi ( | Tails) Nobutoshi Kanna ( | Knuckles) Taeko Kawata ( | Amy) Mitsuo Iwata ( | Orbot) Wataru Takagi ( | Cubot) Jōji Nakata ( | Zavok) Yutaka Aoyama ( | Zazz) Yumi Tōma ( | Zeena) Mugihito ( | Master Zik) Chafūrin ( | Zomom) Yūki Tai (
Air Bubbles** | Apple | Aqua Shield** | Archie Sonic Halloween Comic Fest 2013 | Asteroid Ring | Auto Running* | Balloon* | Bell* | Billiard Ball | Bonus Point | Cacophonic Conch | Cannon* | Casino Token* | Chaos Emerald | Cloud | Coconut* | Conveyor Belt* | Countdown Number* | Dash Panel | Dash Rail | Dash Ring | Extractor | Flame Shield* | Flipper | Flower Cannon | Flywheel** | Freezing Machine** | Havok | Hint Ring | Lost Hex | Metal nut* | Miles Electric | Minecart | Moon Mech | Music Note | Pinball Shooter* | Planetoid Spring* | Prism | Ring | Roboticization | Seesaw | Script | Slot Machine* | Snowball | Snowball Sonic* | Sphere** | Spring | Tails' Lab** | Thunder Shield* | Time Attack* | Totem Pole | Truffle Cannon* | Virtual Hedgehog* | Windmill* | Wisp Away* | Wisp Gauge |
Without Boundaries: Sonic Lost World Original Soundtrack
"*" Exclusively to
Wii U version "**" Exclusive to Nintendo 3DS version "^" Exclusive to the Wii U version and downloadable content.