He had shoulder-length brown hair that framed his face and the rest of which he tied into a high ponytail. He wore a high-collared purple shirt that had a chain of sorts draped around the right shoulder.
Despite his young age, he was one of the clan's most powerful shinobi and was also endowed with great leadership skills. He also possessed the clan's kekkei genkai, the Sharingan.
"Hikaku" can mean "comparison" (比較), "leather" (皮革), or "secret tower" (秘閣).
In the anime, he is the only pre-Konoha Uchiha whose design is not changed from his original manga appearance.