nametranslations: add name

nametranslations_eng.json

@@ -45,7 +45,7 @@
   "立花響＆風鳴翼": "Hibiki & Tsubasa",
   "少女の母親": "Girl's Mother",
   "通行人": "Passerby",
-  "魚人兵長": "",
+  "魚人兵長": "Fishmen Captain",
   "鏑木乙女": "Kaburagi Otome",
   "サンジェルマン（ダミー）": "Saint-Germain (Dummy)",
   "プレラーティ（ダミー）": "Prelati (Dummy)",
@@ -421,4 +421,4 @@
   "軍人Ａ": "Soldier A",
   "妹": "",
   "３色団子ロボ_ダミー": ""
-}
+}