The Japanese Super Nintendo Entertainment System (SNES) version of Animaniacs is likely a different version from the European or US release. Differences may include altered graphics, music, and potentially even gameplay elements tailored to the Japanese market. Being a licensed product based on the popular cartoon, the game should contain the show's main characters.  Specific development teams may vary from the international versions.  It was most likely a licensed product.

Animaniacs (Japan)

Angelique English