majin sonic

"しさ∞ セガ・エンタープライゼス まぢん画"
(Infinite fun. Sega Enterprises — Mazin Picture)

An infamous series of sprites featuring Sonic the Hedgehog wearing an unusual human mask and the text above. This image appears in Sonic CD after inputting the code "FM#46 PCM#12 DA#25" on the game's Sound Test.