Which cereal brand has used the slogan 'They're Gr-r-reat!' for over 70 years?

Brand slogans are powerful marketing tools that help products stick in our minds for decades. The breakfast food category has some particularly memorable taglines that have shaped morning routines across generations. Test your knowledge of these iconic breakfast brand slogans that have accompanied countless morning meals. Can you match these famous breakfast brands to their correct slogans?

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Frosted Flakes (Kellogg's)
Lucky Charms (General Mills)
Honey Nut Cheerios (General Mills)
Cap'n Crunch (Quaker Oats)