Pepsi
From Tardis Wiki, the free Doctor Who reference
Pepsi was a brand of drink. It was sold in a shop which Ram Singh entered. (TV: Nightvisiting)
Jack Pilgrim liked to drink Diet Pepsi. (PROSE: Cat's Cradle: Witch Mark)
Whilst lodging at Mickey Smith's flat, the Tenth Doctor drank a can of Pepsi. (COMIC: The Lodger)
