Toads don't actually have sharp claws but they have a hard type of toe. I know they have some sort of toe why does that matter?
Every predator apart from snake, crocodile, and fish
Claws are a type of pointed, sharp nail, usually with a hooked shape for catching and gripping prey.
Many different kinds of animals have claws. I suggest you ask again and be more specific.
It's called the dew claw.