People who frequently sue others are sometimes referred to as "litigious individuals" or "serial litigators."
Smart
A person who knows a lot of Science
A person who likes to sleep a lot is often referred to as a "slugabed" or simply a "sleep lover."
A person who studies insects is called an entomologist.
its called a flashback hope this helps
The only animal that cries is the elephant. Hope I helped! ^-^
a chaffeur hope this helps
A person who speaks a lot can be described as talkative, chatty, or loquacious.
I believe that they are called translators.
I think something along the lines of pyrotech?
Such a person is called a chatterbox.