Tony Horton is a fitness trainer and creator of the popular workout program P90X. He is known for his energetic personality and innovative approach to exercise, combining strength training, cardio, and flexibility routines. Horton has inspired many people to adopt healthier lifestyles through his engaging workout videos and motivational speaking. In addition to P90X, Horton has developed other fitness programs, such as P90X2 and P90X3. He emphasizes the importance of variety in workouts to prevent boredom and promote overall fitness. Horton has also authored books on health and wellness, sharing his philosophy on fitness and nutrition.