Big Chris is a fictional character from the animated television series Bob the Builder. He is known for his large size and friendly personality, often helping the other characters with various construction projects. Big Chris operates a vehicle called Dizzy, a cement mixer, and is recognized for his cheerful demeanor and supportive nature. In the series, Big Chris serves as a mentor and guide, encouraging teamwork and problem-solving among the younger characters. His role emphasizes the importance of collaboration and friendship in achieving goals, making him a beloved figure in the Bob the Builder community.