Search gender: all male female Juyu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: juyu Katakana: ジュウユウ 0 Kanji: 充雄 Meaning: 充To fill. to cover. To pack into a deficient part. To fit. To apply to. To prepare for. There are many. 雄Male. The male of an animal. Brave. An excellent person. Large in scale. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Juyu Boy Name Meaning, Kanji Variations.