The PBL Decor Charging Bull Desk Item. The use of the bull as a symbol of power or strength goes back to antiquity. Many traditions and cave paintings show that the bull is the symbol of power. These bulls are made with special meaning. The Charging bull, which is charging ahead with its full strength to use the opportunity to its fullest potential. These bulls are handcrafted, made with compressed resin with even minute details given importance to make it a great companion on your desk or a show piece.