Krusty the Clown is not known for his discerning taste. Pretty much anything that isn't visibly defective gets his Krusty Brand Seal of Approval. Regardless of the appropriateness of a cartoon clown endorsing a pregnancy test, this one is known to cause birth defects.
His cereal contained jagged metal among the (mostly) edible Krusty-O's.
And what could possibly be the target audience for a Krusty Brand Geiger Counter? Perhaps kids who want to check the radioactivity of their other Krusty Merchandise?
And finally, who could forget Krusty Brand Imitation Gruel? It's not just gruel, it's imitation gruel!