Toladal was a male Klingon diplomat in the 23rd century. In 2287, he served as an aide to Ambassador Kaljagh during peace talks with Federation Ambassador Catherine Joquel held that year on Starbase 49. Toladal was an admirer of both Captain Spock and his father, Ambassador Sarek. He and Spock spoke several times during the course of the conference, and suggested that Spock consider following his father into diplomatic service. (TOS novel: In the Name of Honor)