Please allow me to introduce myself. I am Kal El of Krypton. Just call me Kal. Who am I? I don't know if you are ready for this. I am something you couldn't possibly comprehend.
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I was born on the planet Krypton. My father Jor El was the leader of a society of humanoids almost identical to those of Earth. Jor El and his wife Lara had a son. That son is me. Since they knew that their world was doomed to destruction, they sent me out into space. They sent me to the planet Earth on a tiny spacecraft. I arrived on Earth during the late 1980s. I was found by Jonathan and Martha Kent of Smallville. They would raise me as their own son.
They would name me Clark Kent. A human name. They would try their best to make me into a decent, honest human being. There's only one problem with this little story. I'm not human. There are many differences between the Kryptonian race and the human race. The Kryptonian race is older.
When humans were almost identical to apes in the trees, Kryptonians were already exploring deep space. That's not what makes us different. The greatest difference is a fundamental difference in our minds. Kryptonian men and women are born smart, and physically resilient. They have an average lifespan of two hundred years. That lifespan is increased by a factor of a hundred when Kryptonians live under a Yellow Sun.
Unfortunately, yellow suns are rare in the cosmos. Kryptonians know that a yellow sun extends their longevity. They did not know that a yellow sun also grants them amazing powers. The main difference in Kryptonians is that they do not possess what humans call a conscience. No Kryptonian can actually feel remorse for anything they do. They can feel anger and fear. They can feel rage. They don't lack intelligence or ambition. But they don't have a conscience. This makes them what humans would call perfect sociopaths. As a result of that, Kryptonians are always fighting each other. Always vying for power. This resulted in the destruction of our society.