瓦加斯 transliterates the Iberian surname 'Vargas':
瓦 (wǎ) for 'Var-',
加 (jiā) for '-ga-',
斯 (sī) for '-s'. The most prominent bearer is Getúlio Vargas (
热图利奥·
瓦加斯 / Rètúlì'ào Wǎjiāsī), Brazilian president and architect of the Estado Novo. Other bearers include Peruvian writer Mario Vargas Llosa (
略萨) and Venezuela's Vargas state.