A cosmologist
Astronomer
univesre, where uni means single and universe means everything that is there including planet, star, galaxies etc.!
Ugghhh the Caveman. At some point during his pitifully brief existence, he became the first "person", and so became the first person to discover the Earth - which is part of the Universe.
Something in the universe.
every one thinks that person took the lightning bolt
A person who thinks highly of themselves is often termed as egocentric or narcissistic.
Atheist.
Astronomer
astronmer
Ignorant.
zen master
A person who thinks nasty things could be described as pessimistic, cynical, or having a negative mindset.
A person who thinks only of themselves is often referred to as selfish or self-centered.
A person who thinks big and has ambitious ideas is often referred to as a visionary or a dreamer. They may also be described as having an expansive or innovative mindset.
If a person thinks they are funny when they are really not, I would call that person a failed comedian, and possibly a fool. Or maybe the person lacks self confidence and that's the only way he know to bring attention to himself.
An opinion
A thesis statement.