|This object 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.
- A twelve Mobium bill has Sonic's face on it.
- In the pilot episode of Adventures of Sonic the Hedgehog, the currency symbol on Sonic's reward poster is a G-clef.
- In Sonic Christmas Blast, Sonic (disguised as a binman) charged Scratch and Grounder 10,000 "Robotnik-bucks".