Lieutenant Colonel (Ret.) Mochammad Idjon Djanbi previously known as Rodes Barendrecht "Rokus" Visser, also spelled as Barendregt, was a Dutch-born Indonesian soldier who served as a Dutch commando during World War II, Korps Speciale Troepen officer and eventually became first commander of Kopassus.

Korps Speciale Troepen was a Royal Netherlands East Indies Army (KNIL) special forces unit that was established for deployment against the Indonesian revolutionaries during the Indonesian National Revolution. It was formed in 1948 with the Depot Speciale Troepen at its core and disbanded alongside the Royal Netherlands East Indies Army in 1950, by which time it had been renamed to the Regiment Speciale Troepen. The DST consisted of about 570 men at its establishment in 1945 and had a precursor in the Korps Insulinde that conducted clandestine operations during the Japanese occupation of the Dutch East Indies. In June 1949, 250 men of the 1st Parachute Company were integrated into the Corps. The KST, which would reach a maximum strength of 1250 men, was composed of Dutch war volunteers (OVWs), Eurasians and native soldiers, including Moluccans. The present day Korps Commandotroepen of the Royal Netherlands Army is considered a continuation of the RST.