His original name was Vishnu Gupta.
Chanakya was a professor of political science and economics at the university of Takshashila.
He authored ancient political economic book named Artha Shastra.
He was a brilliant strategist
When the Nanda king was killed he ordered the body of the king remain uncremated and discarded.. It was a barbaric decision.
Instead of expelling nanda spies he locked them in the basement they were hiding in and ordered the place to be burnt down.. he didn't believe in giving second chances.