Sanp , Crackle Pop was also known in the UK, Mmario.

My favourite of the breackfast cereal (etc), ones though I can think at the moment though would be Shreaded Wheat - nice stuff but my father dislikes Ian Botham (a cricket player and a good all rounder) to the point of never wanting to eat it again.

Probably the closet I got that way was Curries always cutting prices (white goods) ads. Think I could have throttled (not really - I'm not like that) that woman.

Best on jingles I gan get to off hand I remember was the simple "For Mash Get Smash". It had martians with tin hats (so bad they were comical themselves) and commputer type "metalic voices" talking and laughing about our making of mash. Somethhing vaguely on the lines of

One you first visit to earth, did you discover what the earth people eat?
They eat a great many of these.
The peel them with thier metal knives, boil them for 20 of thier earth minutes then they smahs them up to bits   - clearly a most primitave people. At which point the tin martians are falling over laughing at our love of the humble spud.