Coffee should never be stored in fridge, as it will absorb any smell that’s in your fridge. And..it’ll taste odd!
Banana hates cold. The cold will turn their skin brown
The fridge will dry it out fast.
It will turn soft and moldy if you put onions in fridge. Plus, keep your onions separate from your potatoes, when stored together, both deteriorate faster.
Garlic will start sprout in fridge, and gets rubbery and mold easily.
Tomatoes will lose flavor the fridge as because the cold air stops the ripening process.