Gadao is a legendary chief of the village

Villages of Guam

||The United States territory of Guam is divided into 19 municipalities more commonly called villages. Each municipality is governed by an elected mayor. Village populations range in size from under 1,000 to over 40,000. As of the 2000 census, the total population of Guam was 154,805. - History...

 of Inarajan in southern Guam

Guam

Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. In the Chamorro

Chamorro language

Chamorro is a Malayo-Polynesian language, spoken on the Mariana Islands by about 47,000 people Chamorro (Chamorro: Fino' Chamoru or simply Chamoru) is a Malayo-Polynesian (Austronesian) language, spoken on the Mariana Islands (Guam, Rota, Tinian, and Saipan) by about 47,000 people Chamorro...

 language of ancient Guam, he would have had the title maga'lahi as a high-ranking male. In addition to being featured in legend, he is the namesake of Inarajan's Chief Gadao’s Cave containing ancient cave paintings. Some stories claim Gadao himself drew the figures.