The coloring book depicts Robert Callaghan, one of the main antagonists of the cartoon “City of heroes” (Big Hero 6). He stands with his arms outstretched, surrounded by clouds of smoke, underscoring his mysterious and threatening character. You can see in his eyes strength and determination. Callaghan is wearing a long coat and his face expresses confidence. This coloring book is perfect for children who want to color their favorite character, as well as for fans of this exciting animated story.