Tails in front of a Senbon.

The Senbon (センボン?)[1] is an enemy that appears in Sonic Advance. It is a model of Badniks created by Dr. Eggman which appears in Secret Base Zone. They also make an appearance in Sonic Pinball Party.



The Senbons look like pufferfish, but their behavior resembles Pointdexters: they float around back and forth and pause to extend their spikes. Obviously, they can't be harmed when their spiky bodies are inflated.


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


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