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A Piranha inspired robot which was last seen in "AQUATIC RUIN ZONE" in "Sonic 2". It lurks underwater hunting for its next victim. Once they spot Sonic and his friends, nothing will stop their rapid approach and attempt to crush them with its powerful jaw.

— Profile, Sonic the Hedgehog 4: Episode II website[1]

The Chop Chop[2] (ピラーナ[3] Pirāna?), alternatively spelled as ChopChop,[4] is an enemy that appears in the Sonic the Hedgehog series. It is a mass-produced, piranha-based Badnik created by Dr. Eggman, that hovers underwater sections at high speed while moving his sharp teeth on mouth, making it difficult to dodge.


Chop Chops are similar to Choppers and Mashers, however it does have many alterations on its design. The majority of the upper mechanical body is colored blue while lower body is yellow. Chop Chops have only single dorsal- and anal fin, which are yellow and grey coloring. Each side of this Badnik's lower body has a grey motor that keeps it moving. The mouth of Chop Chop also has sharp teeth. Each side of their mouths' corners has a grey bolt, which may indicate an eye.

The appearance of Chop Chop in Sonic the Hedgehog 4: Episode II is slightly different, as the anal fin is replaced with two yellow and white pelvic fins and motors are seen to have turbines as well. Both bolts have sharp eye while the yellow, lower jaw is larger than before.

Game appearances

Sonic the Hedgehog 2 (16-bit)

Chop-chop sprite.png

The first appearance of this Badnik was in the 16-bit version of Sonic the Hedgehog 2, where it served as an enemy. This time around, this Badnik is referred to as Chop Chop[2] (ピラーナ[3] Pirāna?, lit. "Piranha"). In this game, the player encounters them in the underwater sections in Aquatic Ruin Zone.

In gameplay, Chop Chops drift aimlessly in their waters. They also move in pairs and sometimes these Badniks lurk at places, where they are not be easy to be noticed. Once they spot the playable character however, they jet off at high speeds and charge in the playable character's direction with their jaws mashing. These Badniks can also catch the player unaware by charging backwards too.

With water physics slowing down movement as it is, the Chop Chops' fairly fast charge can be hard to avoid, so it is best to avoid the waters altogether. However, if a Chop Chop attacks the player, it can be destroyed with the Spin Jump or Spin Attack at right time. Also, upon their destruction, they will reward the player 100 points and release an Animal.

Sonic the Hedgehog Pocket Adventure

Chop-Chop Pocket Adventure.png

In Sonic the Hedgehog Pocket Adventure, the Chop Chops return as enemies. These Badniks are only encountered in the underwater sections of Aquatic Relix Zone

In gameplay Chop Chops have their same attack patterns from Sonic the Hedgehog 2. Also, upon their destruction, they release an Animal.

Sonic the Hedgehog 4: Episode II

In Sonic the Hedgehog 4: Episode II, the Chop Chops appear as enemies. In this game, they look similar to how they did in Sonic the Hedgehog 2, though they have a smoother appearance and their eyes are open. They are encountered in the underwater sections of Sylvania Castle Zone and White Park Zone Act 3, being one of few enemies in the game that appear more than one Zone.

In gameplay, the Chop Chops' attack pattern is almost same as in Sonic the Hedgehog 2, except they can now turn back and attack from behind the playable character. Also, upon their destruction, they will reward the player 100 points and release an Animal.

Powers and abilities

Chop Chops are quite fast swimmers and possess powerful jaws that can deliver lethal bites.

In other media

Sonic the Hedgehog Yearbook 1992

Chop Chop, from Sonic the Hedgehog Yearbook 1992.

The large variation of Chop Chop has been appeared in Sonic the Hedgehog Yearbook 1992' story "Big Trouble", which has been created by Robotnik. Sonic and Tails encounter large Badnik underwater of Aquatic Ruin Zone, as they swim fast and leaving it behind easily.

Robotnik tries to smash them by using his Egg Mobile with a hammer extension, as Sonic keeps swimming with Rings being around. However, Robotnik doesn't notice that the Eggmmobile is moving into a large Chop Chop that is starting to open its mouth. Following a collision, Chop Chop and Egg Mobile gets destroyed while Robotnik flies to the pillar.

Adventures of Sonic the Hedgehog

A group of Chop Chops with other Badniks, from "Untouchable Sonic".

In the Adventures of Sonic the Hedgehog television series, a small number of Chop Chops appeared briefly in "Untouchable Sonic" where they and other Badniks chased after Sonic underwater, only to be caught in some seaweed.








  1. Sega . Sonic The Hedgehog 4 Episode II official website. Badniks: Chop Chop. Sega. Archived from the original on 24 May 2019.
  2. 2.0 2.1 Sonic the Hedgehog 2 (Sega Mega Drive) United States instruction booklet, p. 13.
  3. 3.0 3.1 Sonic the Hedgehog 2 (Sega Mega Drive) Japanese instruction booklet, p. 48.
  4. [eShop JP] 3D Sonic the Hedgehog 2 - Credits. YouTube. NintenDaan (21 July 2015). Retrieved on 13 January 2019.

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