Soldato
Which Murray himself said he didn't. It's a common mistake.'A Mars a day helps you work, rest and play' was supposed to be one of his slogans.
He did come up with "made to make your mouth water" for Opal Fruits though (now Starburst) and Trill bird food, when everyone seemed to have budgies in the 70 and 80s.
Bought his autobiography years ago so I'll give it another read.