Some TMNT stuff really isn't for little kids.

In the IDW continuity, the Null Group, also known as Null Industries, is a fictional multinational (and actually interdimensional) Fortune 100 corporation whose CEO is Madame Null. On Earth, based at Null Headquarters in the New York City metropolitan area, the Null Group is involved in many business sectors, being responsible for Null Cola, N Rail, Null Security, and secret ventures like the Null Mutagen Project (originally in cooperation with the Foot Clan).

The Mighty Mutanimals are in opposition to Madame Null's exploitative mutant programs but cannot defeat Null outright, so they seek to hinder these projects by undermining the operations of the Null Group itself until lost profits compel the company to instead reinvest in other more legitimate business ventures.

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