The MusukoGoji (息子ゴジ) is the Godzilla suit design used in the 1967 Godzilla film Son of Godzilla.
The MusukoGoji's name comes from Son of Godzilla's Japanese title, specifically the word musuko (息子), meaning son, and Goji, which comes from Godzilla's Japanese name, Gojira (ゴジラ).