He has a cool personality and tends to keep things to himself. His way of talking is direct and somewhat unwieldy, likely from his lack of social grace or his foreign origins of Chon'sin.

Due to the events in his childhood involving Ke'ri, Lon'qu developed gynophobia out of fear of having another woman who becomes too close to him get killed. As a result of his gynophobia, he often gets nervous when speaking with female members of the army; his Event Tile conversations with a female member also support this.

His voice is very stern like Fredericks but less proper.