Search gender: all male female ゴク Japanese Names Variations. 1 names found. gender: all male female Name: goku Katakana: ゴク 0 Kanji: 極 Meaning: 極Extreme. To complete. To reach. The end. apex. The very best. The highest thing. The end of a magnet or electric circuit. To set up. To fix. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ゴク Japanese Names Variations.