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Bat Brain or Bombat from Sonic the Hedgehog (1991) or Sonic Rivals 2, respectively.
Appearances in other media
Black, grey, light blue, light yellow, red
Batbot (, バットボット Battobotto ) ?  also known as  Halogen ( ハロゲン Harogen ) ?  in Japan, is a recurring enemy in the  . It is a mass-produced, bat-based Sonic the Hedgehog series Badnik model created by Dr. Eggman that follows its targets with its lightbulb.
Batbots are generally based on
bats. They have black mechanical wings with neon-light blue and yellow edges, and their heads consist of ears and a pair of eye balls. They also have a red rim around their "neck" and an active lightbulb on their underside.
After their debut, the Batbots have received small design changes in each subsequent appearance. In
, they had yellow eyes with black sclera, and in Sonic Blast , their design is more detailed and their wings strongly resemble magnet tiles.
Sonic the Hedgehog 4
Sonic the Hedgehog 3 & Knuckles
In their first appearance in
and its locked-on version Sonic the Hedgehog 3 , the Batbots are encountered in Sonic the Hedgehog 3 & Knuckles Carnival Night Zone. In this game, they normally hang motionless in mid-air either by themselves or in groups. When the player gets close however, the Batbots will activate and start following the playable characters everywhere in circular patterns. They will return to their original position if the player moves far enough away however. The player can use the Spin Jump to defeat them easily.
, the Batbots appear in Sonic Blast Yellow Desert Zone and are referred to as Halogen. In this game, they are much smaller, but their attack pattern remains much like in  . Like before, they can easily be defeated with the Sonic the Hedgehog 3 Spin Jump.
Sonic the Hedgehog 4: Episode I
, Batbots are featured in Sonic the Hedgehog 4: Episode I Casino Street Zone, where they hang in mid-air until the player gets close to them. While they are much slower than in , they will follow the player in a straight line instead of in circular patterns. Regardless, the player can defeat them before they start pursuing Sonic the Hedgehog 3 Sonic with the Homing Attack.
Nintendo DS version of , Batbots are featured in Sonic Colors Starlight Carnival. In this game, they have the same circular chase pattern as in when they start following the player. The player can easily defeat them with the Sonic the Hedgehog 3 Homing Attack.
Sonic Jump Fever
, Batbots appear as enemies in Sonic Jump Fever Mechanical Zone. Rather than attacking the playable character head on, the Batbots fly around back and forth. Regardless, they are still easily defeated with the Spin Jump.
Powers and abilities
A Batbot waits in one position in mid-air. When it spots the target, it flies around it in circles, although its attack pattern varies as it can also fly in straight lines or just fly back and forth.
In other media
comic book, Robotnik sent numerous Badniks (including Batbots) on a huge chase after Sonic and Tails when they escaped from his spaceship.
comic series and its spin-offs published by Sonic the Hedgehog Archie Comics, the Batbots are models from the Badnik Horde. They were first seen guarding the mining facility in Crystal Cave.
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