Answer:
A doctor might remove one from the neck of a Dracula victim.
What is round as a dishpan, deep as a tub, and still the oceans couldn't fill it up?
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
The older they are the less wrinkles they have.
At the sound of me, one may dream or stamp their feet, At the sound of me, one may laugh or sometimes weep.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?