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Eggman likes to go around and kidnap all the little Animals he can find, and use them as living batteries for his army of robots.
Indeed. Those robots are called "Badniks", and they can look like other animals, plants, or more interpretive... things.

Miles "Tails" Prower and Orbot, "TailsTube #2 (feat. ???)"

Badniks,[2] also known as Doctor Eggman's robots[3] (エッグマンのロボット Egguman no Robotto?), are a group that appears in the Sonic the Hedgehog series. They are an army of foot soldiers[4] created by Dr. Eggman which has served him since the South Island incident.


While Badniks do not have a standard design, they are generally modeled as robots that are around the height of Sonic, though some models have been shown to be far higher than that. Most Badniks are based off of a specific theme, such as animals, insects, plants, Dr. Eggman himself, or more "interpretive" things.[2] As stated by Eggman, the earliest Badnik models, which appeared before the Chaos incident, are armies that are efficient enough, as well as "adorable-looking".[5] There are more advanced robots, such as Metal Sonic, who can rival Sonic's speed; and the E-Series, the most produced Badniks that pack impressive firepower.[6]

The earlier Badnik models have a power source inside of them, more commonly Animals, serving as the robot's AI.[7] Other power sources, such as Little Planet flower seeds, Power Cores, or Chaos Drives have been used with a similar purpose as well. When a Badnik is destroyed, the power source inside of it is liberated. However, most of the more advanced Badniks, and less commonly the weaker ones, are empty and do not release anything when destroyed.

A Picky being incorporated into a Moto Bug, from Sonic Lost World.

Transformation 101. Bunnies to Badniks. Boom! Instant army. It needs to be a big army if I'm taking over the world below.

Dr. Eggman, Sonic Lost World

The method of putting Animals into Badniks was shown during the Lost Hex incident, where the process works by moving Animals from Capsules and set into Badniks at Eggman's base. A similar process, known as Robotomy Treatment, has been in used at least during the War to Take Back the Planet. Here, beings are turned into Badniks, rather than being put inside of them. In the final result, the subjects have their body parts mechanized and with built-in equipment such as guns; for example, a purple caterpillar who is subjected to Robotomy Treatment will be turned into a Caterkiller.[8]

Most Badnik models are very fragile and weak, as a few attacks are enough to destroy them. Also, almost every single Badnik has a limited artificial intelligence and no noteworthy personalities, making them almost completely silent and near-mindless drones that solely work for Dr. Eggman.

Badniks by game

Sonic the Hedgehog (1991)

Sonic the Hedgehog (8-bit)

Sonic the Hedgehog 2 (8-bit)

Sonic the Hedgehog 2 (16-bit)

SegaSonic the Hedgehog

Sonic the Hedgehog CD

Sonic Chaos

Sonic the Hedgehog Spinball

Sonic the Hedgehog 3

Sonic the Hedgehog Triple Trouble

Sonic & Knuckles

Knuckles' Chaotix

Sonic Labyrinth

Sonic 3D Blast

Sonic Blast

Sonic R

Sonic Adventure

Sonic Adventure 2

Sonic Advance

Sonic Advance 2

Sonic Battle

Sonic Heroes

Sonic Advance 3

Shadow the Hedgehog

Sonic Rush

Sonic Riders

Sonic the Hedgehog (2006)

Sonic Rivals

Sonic Rush Adventure

Sonic Rivals 2

Sonic Riders: Zero Gravity

Sonic Chronicles: The Dark Brotherhood

Sonic Unleashed

Sonic Free Riders

Sonic Colors

Sonic Generations

Sonic the Hedgehog 4: Episode II

Sonic & All-Stars Racing Transformed

Sonic Lost World

Sonic Forces

Team Sonic Racing

In other media


Adventures of Sonic the Hedgehog

Badniks, from "Super Special Sonic Search & Smash Squad".

In the Adventures of Sonic the Hedgehog television series, "Badnik" is the term used for Dr. Robotnik's personal brand of robots. The most infamous ones of these are Scratch, Grounder and Coconuts who are Robotnik's go-to henchmen. However, they always fail in their assignments due to their utter incompetence.

Sonic Boom

Main article: Badnik (Sonic Boom)

Badniks, from "Let's Play Musical Friends".

In the Sonic Boom franchise, the badniks (more commonly referred to as minions) act as Dr. Eggman's primary foot soldiers. At first, only the Motobugs, Buzz Bombers (called Bee Bots), and Crabmeats (called Crab Bots) appeared. The TV series' second season would later introduce the Mantis Bots, Scorpion Bots, Beetle Bots and Shark Bots. While they are decently versatile in terms of armaments and skills, they are extremely fragile and weak, making them usually easily defeated by Sonic and his friends.

Books and comics

Sonic the Comic

The Badnik army, from Sonic the Comic #1. Art by Anthony Williams.

In the British Fleetway-produced Sonic the Comic comic book, the Badniks are Dr. Ivo Robotnik and his empire's brand of robots. Serving as Robotnik's personal army, the Badniks were used for the doctor's conquest and subsequent suppression of the planet Mobius during his reign.

All early Badniks were powered by organic batteries, the name given to the helpless Mobian trapped inside, although fully mechanical Badniks were later created as well as Robotnik advanced his rule. The Badnik armies would frequently clash with the Freedom Fighters, who worked in opposition to Robotnik's tyranny. All Badniks on Mobius were eventually destroyed by an electromagnetic pulse created by Super Sonic when he escaped from the Black Asteroid, allowing Mobius' inhabitants to topple Robotnik and his empire. Robotnik tried afterwards to create new Badniks, but never managed to reestablish his rule.

Archie Comics

Badniks, from Sonic the Hedgehog #170.

In the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics, the Badniks are the robot army that serves as the military backbone of Dr. Ivo Robotnik's empire and later the Eggman Empire for over a decade. The early generations of Badniks were based on the Mobini species, though their numbers also included more humanoid models such as SWATbot, Combots and the exceedingly advanced Metal Series. As more advanced Badniks came into being, the older models were rendered obsolete and ended up at second parties. The series also used the concept of roboticization where Mobians animal turned into an evil robot by Dr. Robotnik's Roboticizer, similar to how Animals got turned into Badniks in the games.

After the Super Genesis Wave, Badniks became nearly identical to their game counterparts.

Sonic X

Main article: Badnik (Sonic X)

The Newtron, from Sonic X #10.

In the Sonic X comic series published by Archie Comics, the Badniks are a line of robots created by Dr. Eggman, In this media, the Badniks were common robots used by the doctor on Sonic's world. In addition, some cruder, virtual Badniks were created as part of Dr. Eggman's plan to launch Sonic the Hedgehog and his friends to the moon using a virtual game world as bait.

IDW Publishing

Main article: Badnik (IDW)

A group of Egg Pawn Badniks, from Sonic the Hedgehog #1.

In the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing, the Badniks are Dr. Eggman's personal robotic army that serves as the military backbone of his Eggman Empire. Their past is virtually identical to their game counterparts' up until after Sonic Forces. After the war, the Badniks would run rampant under the orders of Neo Metal Sonic, forcing Sonic to travel all over to stop them with the aid of his allies.



Main article: Badnik (Paramount)

A Badnik, from Sonic the Hedgehog.

In the Sonic the Hedgehog film series produced by Paramount Pictures, the Badniks are robot drones created by Dr. Robotnik. The most commonly form of Badniks used by Robotnik are white, egg-shaped drones with red eyes. In addition, there are Badnik models with more advanced tank-like designs that can take alternative forms if the previous form is destroyed or otherwise incapacitated.


  1. Sonic the Hedgehog (Sega Mega Drive) Japanese instruction booklet, pgs. 7-10.
  2. 2.0 2.1 TailsTube #2 (feat. ???). YouTube. Sonic the Hedgehog (9 June 2022). Retrieved on 9 June 2022.
  3. Thomason, Steven. "Enemies List". Sonic Adventure 2: Battle Official Perfect Guide. Versus Books. p. 15. ISBN 0-9706468-6-0
  4. Dr. Eggman. Characters. Sega. Archived from the original on 29 November 2007. Retrieved on 3 March 2022.
  5. Sonic Comic, "Act:005 The Creator's Presentation of Masterpieces"
  6. Sonic Comic, "Act:017 Zeta-sensei's Lessons"
  7. Sonic Adventure Tokyo International Forum Unveiling Booklet (JPG) (22 August 1998). Retrieved on 15 April 2021.
  8. Come Join the Eggman Empire!. YouTube. Sonic the Hedgehog (2 November 2017). Retrieved on 3 November 2017.