The coloring book depicts Troll Diamond - a bright and cheerful character from the cartoon "Trolls". He has a characteristic high and sharp 'antenna' hairstyle, and his smile gives him a friendly look. The troll stands with his arms bent on his hips, demonstrating his confidence. His eyes are wide open and full of joy, reflecting his optimistic nature. This character is known for his positive attitude to life and love of adventure, which makes him the perfect hero for coloring.