Intergalactic Sponge Navy

"This part of the article is on or relating to the Sponge Canon. It does not exist in reality, though the main Canon has deep ties to real events."

The Intergalactic Sponge Navy (ISN) is the presence of the Sponges in space. It is a powerhouse in the Sponge area of space, and has a long history dating back to Planet S.

Formation
The ISN began on Planet S as a seafaring navy, to put down anti-father sponges who retreated above the seas for safety.