Mbah Maridjan (literary means Grandfather Maridjan; born Mas Penewu Suraksohargo in Kinahrejo dukuh, Umbulharjo village, Cangkringan, Sleman Regency in 1927) is current gatekeeper of Mount Merapi. This mandate as gatekeeper has been obtained from Sri Sultan Hamengkubuwono IX. If Mount Merapi will erupt, the surrounding residents always wait his command to evacuate.
He had been vice-gatekeeper in 1970. Since 1982 he has been gatekeeper.
Mbah Marijan's body found dead on 27 October 2010, during Merapi eruptions disaster. Some people who were accompanying him in his house are also found dead.
During an interview on Merapi's eruption 2006, he said, "Setiap orang punya tugas sendiri-sendiri. Wartawan, tentara, polisi punya tugas. Saya juga punya tugas untuk tetap di sini," or "Everybody have their duty. Reporter, soldier, police they have their duty. I also have duty to stand here"