Enraged, Rosita draws her gun and fires at Negan, hitting "Lucille". Rosita Espinosa is a fictional character from the comedian e book sequence The Walking Dead and is portrayed by Christian Serratos in the American television series of the very same name. 2010 Eagle Awards (Favourite New Comicbook and Favourite American Colour Comicbook). Reiher, Andrea (September 20, 2010). "'Weeds,' 'The Big C' Renewed by Showtime".