《资治通鉴·梁纪·梁纪二十一》
木杆可汗相貌形状颇为奇特怪异，性格刚强勇猛，足智多谋，善于用兵打仗，邻国都怕他。
木杆状貌奇异，性刚勇，多智略，善用兵，邻国畏之。
The ruler of Mukhan had a peculiar appearance, a violent and valiant temperament, was resourceful and diligent, and was good at using soldiers to fight wars. The neighboring countries were all afraid of him.