Shaped like a beetle, the Kanabuns have round black bodies with a red helmet-like upper shell, a pair of black eyes, and a pair of blue antennas. On their rear they have four ovular light blue wings which they use to fly in a similar fashion to a propeller.
Sonic the Hedgehog CD
In Sonic the Hedgehog CD, Kanabuns are only found at Stardust Speedway. In gameplay, these Badniks fly in and out of the background and foreground in spiral patterns in an attempt to damage the player. The player can only make physical contact with them when they are on the same plane as the playable character however. Otherwise, the Spin Jump can easily defeat them in mid-air.
In the Bad Future or sometimes in the present timeframe of the Rounds, the Kanabuns have decayed; their upper shell has turned purple, their sclera have turned green, and their wings are holed. These dilapidated variants fly even slower than before, making it even less of a threat. Like every Badnik in the game, the Kanabuns are powered by Little Planet flower seeds which will pop out of them after being defeated.
In gameplay, Kanabuns utilize their old attack pattern: they fly in and out of the background, and can only be destroyed on the same plane as the player. Also, upon a Kanabun's destruction, it releases an Animal.
"Kanabun" is the Japanese word for "beetle".
↑While not listed in any instruction manuals, the in-game source code in 1996 PC release of Sonic the Hedgehog CD refers to this Badnik as "kanabun".