typically unique to a particular ethnic group and can be used to identify a person's ethnic background. Some of the largest surnames include Kogoya, Wenda, Tabuni, Wonda, and Murib from Papua province. There are also other West Papuan surnames popular in Indonesia such as Suebu, Kaisiepo, Numberi, and Solossa. Javanese names Javanese people have various systems for naming. Some Javanese, especially those from older generations, have only one name and no surname. Others use their father's names as well as their own, in a similar manner to European patronymics. For example, Abdurrahman Wahid's name is derived from Wahid Hasyim, his father, an independence fighter and minister. In turn, Wahid Hasyim's name was derived from his father named Hasyim Asyari, a cleric and founder of the Nahdlatul Ulama organization. Another example is former President Megawati Sukarnoputri; the last part of the name is a patronymic, meaning "Sukarno's daughter". Some Javanese, especially those from older generations, have a mononymic name and no family name; for example, Sukarno, Suharto, and Boediono. Some names are derived from native Javanese language, while some others are derived from Sanskrit and Arabic. Names with the prefix Su-, which means good, are very popular. Sanskrit-derived names Most Indonesians, especially the Javanese, Sundanese, and Balinese, have names derived from Sanskrit. This is because of the Indian cultural influence which came to the archipelago since thousands of years ago during the Indianization of South East Asian kingdoms, and ever since, it is seen as part of the Indonesian culture, especially Sundanese, Javanese, Balinese, and some part of Sumatran culture. Unlike Sanskrit-derived names in Thai and Khmer, the pronunciation of such names in either Javanese or Indonesian is similar to the original Indian pronunciation, except that the v is changed to a w, and all instances of s, ś, and ṣ are merged into single s. For example, Susilo Bambang Yudhoyono, former Indonesian president, has a Sanskrit-derived name. "Susilo" comes from sushila meaning "good character" and "Yudhoyono" comes from yudha meaning war or battle and yana meaning an epic story. Sukarno is derived from the Sanskrit su (good) and karno or Karna (a warrior) in Mahabharata. Several common Indonesian names derived from Sanskrit are deities or heroes names, including Indra, Krisna, Wisnu, Surya, Bayu, Dewa, Rama, Lesmana, Sudarto (Javanese for Siddharta), Dewi, Pertiwi, Sri, Ratih, Shinta, Laksmi, and Saraswati. Some famous people who uses these names include: Giring Ganesha, Isyana Sarasvati,