Pepsi Cola is the original Pepsi brand created by a pharmacist in North Carolina. Pepsi was originally introduced as Brad's Drink but was later changed to Pepsi Cola and later Pepsi.
Rivalry with Coca-Cola
During the Great Depression, 12 oz. of Pepsi were at the same price as 6 oz of Coca Cola making Pepsi very popular. PepsiCo's Diet Pepsi competed with Coca-Cola's Diet Coke and PepsiCo's Sierra Mist competed with Coke's Sprite.
PepsiCo, Pepsi's manafacturer, began to sell other pop brands including Sierra Mist, Mountain Dew, Mug Root Beer, Tropicana Twister, and Diet Pepsi.