Multi-discipline New York artist Pat Oleszko, left, helps Osmar Ramos-Caballero of Holyoke with his costume of a BP employee being eaten by a shark at the Hynes Convention Center in Boston, MA on Sunday, December 30, 2012. Oleszko has a costume-themed “Global Warning! Writhin’ See/Change” group that will march in the Grand Procession on First Night.