Bu-bu (ブーブー Būbū?)[1] is an enemy that appears in Sonic Advance 3. It is a mass-produced, pig-based Badnik model created by Dr. Eggman.


The Bu-bus are based on piggy banks.


The Bu-bus only appear in Toy Kingdom. In gameplay, Bu-bus have no direct attacks to damage the player with. If the player loses Rings while near this enemy however, all of the lost Rings will be absorbed into the Bu-bu and will be impossible to regain if the player does not destroy Bu-bu fast enough.


  • Bu-bus name is Japanese for "oink".


  1. (in Japanese) ソニックアドバンス3最強攻略ガイド. Shogakukan. July 2004. p. 21. ISBN 978-4091061737.

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