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A Hermit crab type robot which has been newly developed for cold regions. The spines on its hard shell will repel any attacks done by Sonic alone. There must be another way to defeat it...

— Profile, Sonic the Hedgehog 4: Episode II website[2]

The Spikes[3][4] (ヤドリン[5] Yadorin?, lit. "Yadrin"[1]), is an enemy that appears in the Sonic the Hedgehog series. It is a mass-produced, hermit crab-based Badnik model created by Dr. Eggman.


The Spikes resembles a hermit crab with two claws that help it along the ground. It has a pink shell with five spikes on it, a yellow snail-like head and two large eyes on thin eyestalks. They also have a pair of gray wheels on their shells to move back and forth with. Originally, they had the basic black eyes with white sclera, but during the Lost Hex incident they got cyan eyes.

During the second part of the Death Egg mk.II incident, the Spikes had a more modernized and technological design. In addition to a getting a more realistic gastropod shell, they received three rows of spikes on they shell. Their head also became smaller, their eyes lost their eyestalks, and they got four extra legs in exchange for their wheels. Additionally, their body became pink with a white underbelly and their shell became blue with pink outlines.

Game appearances

Sonic the Hedgehog (16-bit)


The first appearance of this Badnik was in Sonic the Hedgehog (16-bit), where it served as an enemy. This time around, this Badnik is referred to as Spikes[4] (ヤドリン[5] Yadorin?, lit. "Yadrin"[1]). In this game, the player encounters them in Spring Yard Zone.

In gameplay, the Spikes will walk back and forth, usually on platforms with iron balls. These Badniks can be a small threat, since any attacked launched on them from above will cause the player to take damage, thereby makignthe Spikes nearly invulnerable. Spikes are best defeated with a Spin Attack to the sides. Also, upon their destruction, they release an Animal and reward the player with 100 points.

Sonic the Hedgehog (8-bit)


In Sonic the Hedgehog (8-bit), the Spikes appear as enemies again. In this game, they can be encountered in Bridge Zone. in gameplay, Spikes act like their 16-bit counterparts; they walk slowly back and forth without attempting to hurt Sonic. Again, the best way to defeat them is to roll into them with the Spin Attack. While they do not release an Animal upon their destruction though, they do reward the player with 100 points.

Sonic the Hedgehog 4: Episode II

A Spikes in White Park Zone, from Sonic the Hedgehog 4: Episode II.

In Sonic The Hedgehog 4: Episode II, the Spikes appeared with a new design, accordingly to fit in colder climates. In this game, they appear exclusively in White Park Zone.

In gameplay, unlike in earlier games, the Spikes cannot be defeated with a Spin Attack or Spin Dash because spikes cover its whole shell. There are three ways to destroy it: crushing it with a snowball, rolling over it with the Rolling Combo, or go near the Spikes which will cause it to go inside its shell along with its spikes, allowing the player to destroy it. Also, upon their destruction, they will reward the player 100 points and release an Animal. If a Spikes is destroyed by a snowball though, the player will not be awarded with any points.

Sonic Jump (2012)

In the 2012 version of Sonic Jump, Spikes can be found in Jungle Zone. Spikes behave like they did in their previous appearances, moving back and forth on platforms, but can also fall down on the player from above in several sections. They can be defeated easily by hitting them with a Spin Jump from below.

Sonic Dash

In Sonic Dash, the Spikes returned with new tank treads for movement. They have their design from Sonic Lost World, but prior to the 4.12.0 update, their design was from Sonic the Hedgehog 4: Episode II. In gameplay, they only stand in stationary positions without attacking, often appearing in rows to cover all three lanes in the Zone, or lined up one after another on a single lane. The Spikes can only damage the playable character if the latter runs into them without attacking. Regardless, the player can easily destroy the Spikes by hitting them with a Spin Attack or Dash Boost. Alternatively, the player can avoid them by either jumping over them or switching lanes. As the player starts to run faster, dodging or destroying Spikes might become harder.

Sonic Lost World

In Wii U version and PC version of Sonic Lost World, the Spikes appear as enemies. During the games' events, Dr. Eggman's Badniks, including the Spikes, got hijacked by the Deadly Six.

In Sonic Lost World, the Spikes appear in Tropical Coast Zone 4. In gameplay, only two Spikes appear in the Zone, both of whom are moving on ceilings. If the player runs below them, they will fire their spikes from their shells which can inflict damage.

Powers and abilities

As their name implies, the Spikes have a shell covered in spikes that can skewer opponents coming in from above. During the Lost Hex incident, they could also launch their spikes from their shells.

In other media

Sonic the Comic

A Spikes, from Sonic the Comic #44. Art by Richard Elson..

In the Sonic the Comic series and its spin-offs published by Fleetway Editions, the Spikes 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 Spikes' coloration would be altered slightly each times.

IDW Publishing

Main article: Spikes (IDW)

A Spikes, from Sonic the Hedgehog 30th Anniversary Special.

In the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing, the Spikes are Badniks from another dimension set in the recent past, where they were created by Dr. Eggman.


The toy company TOMY has released a Spikes action figurine during the release of Sonic & Knuckles. The series includes 21 Sonic figurines and these figurines came in packs of four under the Sonic & Knuckles label. They were also released individually under a Sonic the Hedgehog label.



  1. 1.0 1.1 1.2 One of artworks showcasing Jaws and Yadrin from the Sonic World feature of Sonic Jam.
  2. Sega . Sonic The Hedgehog 4 Episode II official website. Badniks: Spikes. Sega. Archived from the original on 24 May 2019.
  3. Flynn, Ian; Sega (8 December 2021). "Sonic The Hedgehog (16-bit)". Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 12. ISBN 978-1506719276. "Spikes - It crawls around and is only vulnerable to rolling attacks"
  4. 4.0 4.1 4.2 Pattenden, Mike (4 January 1993). "Robotnik's Badniks". Stay Sonic. Fantail. p. 35. ISBN 978-0140903904. "Less of a hermit crab and more of a harm-it crab, Spikes is a weird blend of Moto Bug and Crabmeat and lurks on rooftops in the Spring Yard Zone. Although its pink shell is easily recognized, it spiky rear and fearsome fore-claws make it one of the Zone's least desirable pets – unless you're a mad scientist, of course. It enjoys hanging its fore-claws over the edges of building for an unwary animals who may be jumping upwards. It can only be damaged by a hit to the head."
  5. 5.0 5.1 Sonic the Hedgehog (Sega Mega Drive) Japanese instruction booklet, p. 40.
  6. Additional Characters list in the Sonic the Hedgehog Classic Style Guide.
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