Big Red is a soft drink created in 1937 by Grover C Thomsen and R.H. Roark in Waco, Texas and originally known as Sun Tang Red Cream Soda. It is an American variety of cream soda and a special off-brand "blue cream soda" called "Big Blue". The brand is currently owned by Keurig Dr Pepper.
Big Red promoted Transformers: Age of Extinction in 2014 with special limited edition Transformers themed cans.