It is manufactured by Britvic . Johnny Drum (Green label) is a Bourbon whiskey,Diet Cola . Alcohol is 20.5% by volume in it . Johnny Drum (Green label) originated from US . 1980 is when it was introduced . http://fullers.co.uk/rte.asp?id=58 is the name of it's website . Variants of this food are Private Stock labels,Green,Black 12 . coca-cola pepsi are related to it . The main ingredients are  sugar
It is made in more than 2 countries