According to the Earthbound wiki, the default name of the protagonist in Mother 2 (the Japanese version of Earthbound) is ネス (Ness), which doesn't really resemble the name of the Japanese name of the console (Super Famicom).
The default name of the protagonist of Mother 1 (released on the original Nintendo Famicom) was... ニンテン (Ninten).
The default name of the protagonist of Mother 1 (released on the original Nintendo Famicom) was... ニンテン (Ninten).