You can even include varieties that do not exist anymore.
5. Frosted Mini Wheats - the regular flavor
4. Clackers - they haven't made these in many years. Tasted like Graham Crackers.
3. Honey Nut Cheerios
2. Buckwheat - also not made in years.... it was like a honey sweetened version of Wheaties.
1. Golden Grahams. ---- I used to eat half a box a day.
List of tons of cold cereals.
https://en.wikipedia.org/wiki/List_of_breakfast_cereals