Apple-peeler--very useful when baking apple pies.
Cherry de-stoner--very useful when supplying Hubby with cherries when he has gout (yeah, he gets gout)
Mandolin--but not used so much, since Hubby has cut himself and I don't trust him around it.
Corn cob holders--but I cut off the kernels with a knife
Egg-slicer--useful when making potato salad and for puncturing eggs before boiling them
Jar un-screwer--I have little hands, so big jars can be difficult, even with this.
Potato peeler--don't most people have at least one?
Ice cream scoop
Oven Thermometer--well, yeah
Strawberry huller--useful when hulling MANY berries at one time, and can also be used for tomatoes, though I usually use a knife
Manual juicer--I juiced and froze a BUNCH of lemons from my tree
Pineapple corer/slicer--as described by another poster
Ricer--for ricing boiled potatoes, because I like my potatoes like I like my men...smooth
WHAT is a banana box?