|This character exists primarily within the Adventures of Sonic the Hedgehog continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Mr. Bobo was Dr. Robotnik's beloved pet cockroach. He has never appeared in person, although a picture of him is seen in the episode. Robotnik keeps a photograph of Mr. Bobo and misses him a great deal, becoming teary-eyed whenever he thinks about him.
Robotnik keeps a photograph of him and describes him as being "A villain's best friend; brave, trustworthy, loyal and always willing to share his lunch."
- His name is a reference to a Filipino slang word of the same name meaning "stupid", also refers to Scratch and Grounder.