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This article is about the enemies with spiked balls for defenses. You could be looking for Orbot.
CE S1 07
First Orbinaut models Unidus and Uni Uni
from original Sonic the Hedgehog.
Group Overview and Statistics


Time of

Sonic the Hedgehog (1991)





and/or bases

Various Eggman's bases.


Dr. Eggman


Sonic the Hedgehog
and his allies.

Orbinaut refers to a series of sea urchin badniks that are created by Doctor Eggman and are recurring enemies in Sonic the Hedgehog games. First Orbinaut models being created are Undius and Uni Uni which first appeared in the original Sonic the Hedgehog. Like other badniks, different Orbinauts have also appeared in outside of video games in various cases.


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 of 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 of Orbinauts don't throw its spike balls away, but keep moving forward and keep ringing its spike balls at same time as keeping its defense on. Usually it's impossible to defeat these types of Orbinauts without getting hit, which is good to avoid them and keep moving on. Few of Orbinauts utilize its spike balls with different methods to stop the player.



Main article: Orbinaut (Unidus)

Unidus (ウニダス)[1] is a blue variety of Orbinaut that becomes red when an enemy is spotted and sends the four spiked balls around it forward to attack. It appears in the Labyrinth Zone from Sonic the Hedgehog. In North America Unidus is named Orbinaut in original Sonic the Hedgehog. These Orbinauts got upgraded twice as E-15 Spiky Spinner in Sonic Adventure and E-32 Unidus in Sonic Adventure 2 (see both below).


Main article: Orbinaut (Uni Uni)

Uni Uni (ウニウニ)[1] is a green variety of Orbinaut that keeps the four spiked balls around it for defense. It appears in the Star Light Zone from Sonic the Hedgehog and can only be defeated while Sonic is invincible or time your hit very carefully (or when Sonic takes a hit, he has a quick moment to hit it when he's flashing). It also appears in Aquarium Park in the Nintendo DS version of Sonic Colors and in Sonic the Hedgehog 4: Episode I. Like Unidus, Uni Uni is named Orbinaut in the English version of Sonic the Hedgehog.


Ghola in Sonic the Hedgehog 2.
Main article: Gohla

Gohla (ゴーラ)[2] (also known as Sol) is a red variety of Orbinaut that has four fireballs (one in Sonic Blast) around it instead of spiked balls. It appears in the Hill Top Zone from Sonic the Hedgehog 2 and Red Volcano Zone from Sonic Blast. He made a return in Red Mountain and Lost World from Sonic Adventure and Sonic Adventure 2 in the Death Chamber. They also appeared in Sonic Advance 2 stage Hot Crater (2 player mode only).

Star Pointer

Star Pointer in Sonic 3.
Main article: Star Pointer

Star Pointer,[3] later known as Icedus (アイスダス?) in Japan, appears in the IceCap Zone from Sonic the Hedgehog 3 and has four spiked ice balls around it. It sends the spiked balls forward to attack. Unlike projectiles from other variants of the Orbinaut, the ice balls will be destroyed with no ill effects to the controlled character if they have any shield or hitting contact with Knuckles' knuckles.


Pola in Sonic 3.
Main article: Orbinaut (Pola)

Orbinaut[3] (Pola ポーラ) is a metallic gray variety and appears in the Launch Base Zone from Sonic the Hedgehog 3 . It keeps the four spiked balls around it for defense, and only move when the player also move. It can only be defeated while the player is invincible or with a well-timed Insta-Shield move by Sonic (or when Sonic takes a hit, he has a quick moment to hit it when he's flashing). Though the latter is hard to pull off, it is possible with correct timing.


Flamer Sonic 4
Flamer's model in Sonic the Hedgehog 4.
Main article: Flamer

Flamer, or Bohla (ボーラ?), is the latest, different kind of Orbinaut from Sonic the Hedgehog 4: Episode II. Flamers are yellow and have spinning flamethrowers. Flamers can be found in Oil Desert Zone and can temporarily ignite fire of oily landscape.


E-15 Spiky Spinner and E-32 Unidus

Spiky Spinner artwork
E-15 Spiky Spinner as it appears in Sonic Adventure.
Main article: E-15 Spiky Spinner
Main article: E-32 Unidus

Unidus-type Orbinauts eventually became part of E-series in Sonic Adventure and Sonic Adventure 2 as E-15 Spiky Spinner, known as Unidus (ウニダス)[4] in Japan and his Sonic Rivals 2 card is a variety from Sonic Adventure which can be found at Speed Highway and Sky Deck. Another model, E-32 Unidus appears at Hidden Base and Death Chamber in Sonic Adventure 2.

E-17 Ghora and E-31 Gola

Main article: E-17 Ghora
Main article: E-31 Gola

Gola-type Orbinauts also become temporarily part of E-series as E-17 Ghora appears at Lost World and Red Mountain in Sonic Adventure while E-31 Gola has been featured at Death Chamber in Sonic Adventure 2.

Related Badniks


  1. 1.0 1.1 Sonic the Hedgehog Japanese manual
  2. Japanese manual of Sonic the Hedgehog 2 and G Sonic and Sonic Rivals 2 card.
  3. 3.0 3.1 Sonic the Hedgehog 3 US manual
  4. appears in Sonic Adventure US manual and Sonic Tweet card
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