This name should be both among Turkish names and Litarary names.
Maybe C S Lewis (author of the Narnia books) took the name Aslan for a reason? Does the Turkish name Aslan mean "lion"?
"But it’s all right now.
I learned my lesson well.
You see you can’t please everyone
So you got to please yourself."
Rick Nelson, Garden Party
"It does not become me to make myself smaller than I am." (Edith Södergran 1891-1923)