GCN comes from the part number prefix that was used by the ODM (almost certainly BroadOn) in development and “Game Cube (for) Nintendo” makes sense in that cont

GCN comes from the part number prefix that was used by the ODM (almost certainly BroadOn) in development and “Game Cube (for) Nintendo” makes sense in that context. In similar vein, Wii is REV, as in “REVolution”.