Sunan Kalijaga (1460–?), born as Raden Mas Said son of a Regent of Tuban in East Java, Indonesia, was one of the "nine saints" of Islam (Wali Sanga). Initially a grass salesman, the "Kalijaga" title was derived from an orchard known as "Kalijaga" in Cirebon. Other accounts suggest the name derives from his hobby of submerging himself in Kali ("river" in Javanese). Others note that the name Kalijaga derived its nature from the Arabic notion of qadli dzaqa which means "holy leader" in the sultanate.
He was a close friend of Sunan Gunungjati, and is said to have lived to the age of one hundred. He witnessed the downfall of Majapahit, the kingdoms of Demak, Cirebon, Banten, and Pajang which in 1546.
Among his missionary activities (dawah), he built two mosques, Masjid Agung Cirebon and Masjid Agung Demak. His main mentor was Sunan Bonang, another of the Wali Sanga. Kalijaga's beliefs and teaching are more sufistic than salaf, applying arts and culture as medium for his dawah. He was also tolerant to local tradition. His exegesis from the Quranic perspective led him to believe that people will keep away from dakwah if their personality is questioned. In this premise one should consider a step by step approach to his people by the principle of following yet influencing. To him, if Islam is truly/fully understood, then people will gradually give up their old habits.
This method can be seen in Indonesian artworks, particularly in carvings, shadow puppets (wayang kulit), gamelan (javanese traditional musical performance), and singing. From this idea he popularized Baju Takwa (a traditional dress custom for Indonesian Moslem), Sekatenan (a festivity), and Grebeg Maulud, amongst others.
Babad Tanah Jawi ("History of the land of Java") 
In the Babad Tanah Jawi, a chronicle of large Javanese manuscripts, there are no formal signs of Sunan Kalijaga's conversion to Islam so it is not clear if Kalijaga is already Muslim at the time of his "conversion". In this legend, he is said to be the son of Tumenggung Wilatikta, and in the service of the Majapahit empire, and Kalijaga whose religion is unspecified but has the Arabic name "Said". Following gambling losses, Said resorts to highway robbery on the north coast of Java. Sunan Bonang one day passes and is pulled up by Said. Bonang suggests it would be better for Said to rob a person who will later pass dressed in blue with a red hibiscus behind his ear. Three days later, this person passes, and is Bonang in disguise. Said attacks, but Bonang turns himself into four persons, traumatising Said such that he becomes an ascetic. He takes the name "Kalijaga", becomes a wali and marries the sister of Sunan Gunungjati.