Walter Julián Martínez Ramos (; 28 March 1982 – 11 August 2019) a.k.a. Pery , was a Honduran professional football striker. He last played for Beijing Capital United at Chinese City Football Super League. Martínez started his professional career at Victoria and made his debut on 25 November 2000 against Deportes Savio. He played for Vida in La Ceiba, and Marathón in San Pedro Sula. He was born in Tegucigalpa, Honduras.