Why do some women call themselves Goddesses, Princesses and Queens?

I've seen this on Myspace, Facebook and various other social sites where the girl will call herself "GoddessCathy" or "Princess-Lil-Keyonda" or "QueenSandra".

You don't see guys doing this, you don't ever see screen names like "God-Kevin" you know. Okay, okay, you might see a few "Prince-Somethings" here and there but you rarely see "God" or "Master".

I mean even on this site, coughing*..LondonPrincess..coughing*..

Coughing*...excuse me, sorry, winter seasons coming up so..
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Not really scoffing at this, I'm just wondering if anyone had any theories on this. If you think about it, adding God before a male name just sounds weird, but seeing Goddess and Princess before a female name is kinda commonplace nowadays and doesn't seem as weird. Why is that? And is it an ego thing? Or is it just like a "trend"...kinda like how Guidos fist pump at nightclubs.
Why do some women call themselves Goddesses, Princesses and Queens?
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