Possible Clues:

• ___ Xtra (soft drink)
• ___ Xtra (soda)
• Mr. ___ (Coke's answer to Dr Pepper)
• __ Xtra: cherry soda brand
• Mr. of the soft drink world
• Mr. in the vending machine, once
• Mr. ___
• Mr. ___ (old soft drink name)
• Mr. __: Dr Pepper rival
• Mr. __: Former name of a Dr Pepper rival