Trajko Mitrović Jovanović (Serbian: Трајко Митровић; 1904–1923), known by his nom de guerre Koporan Čauš (Копоран Чауш), was a Serbian Chetnik vojvoda (commander). He was born in Orlanci near Kičevo.[1] At first, he was a member of the IMRO, however, as many others, left that organization in the summer of 1904 and left for Serbia.[1] He received his nickname after killing a çavuş, and wearing his bloody koporan (cape) afterwards. He participated in the victory at Čelopek (1905). He was wounded in his right hand fingers. He joined the Royal Serbian Army as a volunteer in the Balkan Wars and World War I.[2] He is mentioned in "Politika" newspaper as visiting Belgrade in late May 1923, a 40-year-old man riven with tuberculosis.[3]