Fergus is a character from the popular animated television series, Bob the Builder. He is a friendly, green tractor known for his cheerful personality and helpful nature. Fergus often assists Bob and his team with various construction projects, showcasing teamwork and problem-solving skills. In the series, Fergus is characterized by his ability to work well with others and his dedication to getting the job done. He is also known for his distinctive design, featuring a smiling face and bright colors, which make him appealing to young audiences.