During battle he wore two overlapping suits of armor, which led to his nickname, Niryo gusoku (Double-collared armor; note that this has no connection to the Ichiryo gusoku of the Chosokabe family).
戦の際に具足を二枚重ねて着ていたため二領具足の異名を持つ（長宗我部家の一領具足とは関係が無い）。