Tess DeNunzio’s personality is a compelling mix of complexity and depth, shaped by her experiences and emotions throughout Dear Zoe. She is highly introspective and thoughtful, often diving into her own feelings and analyzing the world around her with a keen sense of awareness. Tess is empathetic, caring deeply about those she loves, yet she struggles with guilt and self-blame after her sister Zoe’s tragic death, which makes her feel isolated and unsure of her place in her family.