They are often labeled with ironic, minimalist names: Void , [null] , Error , or simply a blank space. When selected on the character select screen, the portrait is either a pure black square or a broken link icon.
: An upgraded "Null Edit" of Rugal Bernstein known for having heavily guarded and frequently stolen exploit code. How to Create a Null Edit
: A basic controller that does nothing by itself, allowing authors to temporarily disable other controllers. It is frequently used for variable assignment because it is "lighter" than the standard VarSet controller.
The term "Null" originally refers to a specific state controller in the M.U.G.E.N engine that was intended for debugging but has been repurposed by the community for more advanced coding.
A interrupts this process in three common ways: