- Traditional Chinese Character(HanT):
坂口健太郎
- Simplified Chinese Character(HanS):
坂口健太郎
- Bopomofo(Mandarin Phonetic Symbols): ㄅㄢˇ ㄎㄡˇ ㄐㄧㄢˋ ㄊㄞˋ ㄌㄤˊ (ㄅㄎㄐㄊㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): 103d.3ru04w94x;6
- (ASCII) Hanyu Pinyin: "bankoujiantailang" "Ban3Kou3Jian4Tai4Lang2" "Ban3 Kou3 Jian4 Tai4 Lang2" (BKJTL)
- (Latin) Hànyǔ Pīnyīn: BǎnKǒuJiànTàiLáng [ Bǎn Kǒu Jiàn Tài Láng ]
- (英文翻譯) English Translation: "Kentaro Sakaguchi"
- (西語翻譯) Traducción Español: "Kentaro Sakaguchi"
- (日文翻譯) 日本語翻訳: "坂口健太郎"