Answer:
I will disappear every time you say my name.
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
I need to be taken before you can have me. What am I?
I have hands but cannot clap. What am I?
Soft and cuddly I'll pull on your heart. But take my last name and I'll tear you apart.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.