It's quite normal.
My kids never did it, but I've had so many children in my preschool classes who renamed themselve. Last year, I had a three year old in my class who insisted we call him "Derek Jeter". 
My kids never did it, but I've had so many children in my preschool classes who renamed themselve. Last year, I had a three year old in my class who insisted we call him "Derek Jeter". 










: Yea raging hormones made me think real rational