The Buffalo Bills community is mourning the loss of one of its most passionate fans on Tuesday. Ezra Castro, better known by his superfan persona “Pancho Billa,”d on Tuesday morning following a lengthy battle with cancer, his family announced on Twitter. He was years old..The latest Tweets from Pancho Billa @PanchoBilla . Super Fan of the Buffalo Bills! VivaLosBills PanchoPower cancer fighter! .This Sunday, when the Bills take their turf for the first time in the regular season, they ll celebrate Ezra “Pancho Billa” Castro a man who not .Remembering Pancho Billa. Take a look back at one of the Buffalo Bills most passionate fans, who exemplified what it meant to be a part of Bills Mafia..Pancho Billa, Dallas, Texas. likes talking about this. Viva Los Bills!! Buffalo Bills Football Superfan! PFUFA. There is NO Off season, .Ezra Castro, a Texas native whose lifetime passion for the Buffalo Bills led him to create a costumed superfan .Veronica Borjon and her son Gino Castro , brought a large doll in the likeness of Ezra Castro Pancho Billa from Texas that will be raffled off .Buffalo Bills fan, Pancho Billa, poses for a photo prior to the game against the Los Angeles Chargers on Sunday, Sept. , , in Orchard .