Search gender: all male female ハクトラ Japanese Boy Names Variations. 1 names found. gender: all male female Name: hakutora Katakana: ハクトラ 0 Kanji: 伯虎 Meaning: 伯Count. The oldest person in the family. The eldest of siblings. Uncle. Father's or mother's elder brother. The third of the five grades of titles. A person who excels in one art. 虎Tiger. A metaphor for something as strong as a tiger. A drunkard. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ハクトラ Japanese Boy Names Variations.