Harna Karish was a 24th century Tarn individual, an officer in the Tarn Imperial Fleet with the rank of Commander. Karish was a member of the royal Kala circle and was later adopted into the Katula circle. Karish was several inches taller than Commander William T. Riker's 6'2" height. Karish had the pewter colored tattoo of the Kala clan on his forehead. Karish could speak Federation Standard but found it loathsome.