Answer:
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
What kind of pet always stays on the floor?
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
What can you put in a barrel to make it lighter?
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?