The blue horned sperm worm
tomato horn worms.
American Dagger Moth Caterpillar.... I found one in my drive way
The blue stripe caterpillar is commonly known as the "Hickory Horned Devil," which is the larval stage of the Regal Moth (Citheronia regalis). This striking caterpillar features bright blue and green coloration with distinctive horn-like projections. It is primarily found in the eastern United States and is often associated with hickory and walnut trees, which are its preferred host plants.
Lime Hawk-moth Mimas tiliae
Depending on where you live it might be some sort of Hawk Moth or a Fawn Sphinx. If you want to search for the Sphinx better enter "Sphinx kalmiae" otherwise most hits will be for the cat Sphinx. .
The answer to this question can be found at www.vegedge.umn.edu/vegpest/hornworm.htn
Not a Hawkmoth, this is a swallowtail butterfly caterpillar.
it is a Lime Hawk Moth originating from England
The horn of plenty started in France. The whole website started in France.
I Found My Horn was created in 2008.
France