The Senbon (センボン?)[1] is an enemy that appears in the Sonic the Hedgehog series. It is a mass-produced, pufferfish-based Badnik created by Dr. Eggman.

Game appearances

Sonic Advance

Tails in front of a Senbon.

The Senbons first appeared as enemies in Sonic Advance. They are only countered in Secret Base Zone. In gameplay, their behavior resembles Pointdexters': they float around back and forth and occasionally pause to extend their spikes. Obviously, they cannot be harmed when their spiky bodies are inflated.

Sonic Pinball Party

In Sonic Pinball Party, the Senbons make a small appearance.


  • The Senbons' name is derived from "Harisenbo", which is Japanese for "porcupinefish".


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