Mathieu Joseph, alongside his brother Pierre-Olivier, delivered a standout Halloween costume as they dressed up as characters from the comedy "White Chicks." Their execution was spot-on, featuring impressive wigs and makeup that showcased their commitment to the bit. The duo even humorously crashed a group photo with the wives and girlfriends, blending in seamlessly and adding to the fun of the occasion. This costume choice highlighted their creativity and sense of humor, making them one of the top entries in the NHL's Halloween costume roundup.