chatterbox
booser
a cab
A man.
A Krillin.
If you mean someone that dreams a lot. I would call them a daydreamer, or a dreamer in general.
Spanish kisser
Tattletaler
a bully
A person who schemes a lot is often referred to as conniving or manipulative.
Ambitious or dissatisfied with their lot.
One name for someone who likes to talk a lot is "chatterbox". An adjective for someone who likes to talk a lot would be "gossipy".