The Media before the Media was the Media. Dubbed 'Default Settings' or 'Def-Se' more for ease of convenience than as a legitimate name.

While Def-Se isn't exactly the 'oldest' stage of the Marginals' long evolutionary path, it was exceptional for being the one that marked a key turning point in Marginalian history, setting the stage that would cause the Marginals to rise in cosmic (and cosmetic) power.

Its ass would have stayed in the primordial soup if it knew there were gonna be days like this...