[w0mbat]

According to Wikipedia, when he worked in advertising he wrote the slogan "Opal Fruits, made to make your mouth water.".

[kinlan]

I heard he also came up with "A mars a day helps you work rest and play"

[gushie]

He didn't come up with that one (he wished he did), he just worked on the Mars account at the time

[kinlan]

Ah right. Well, I wished he did too with the amount of people I've told over the years :D

[w0mbat]

I heard that Salman Rushdie came up with the "Naughty but nice." slogan for cream cakes.