Do yuo guys think my fan made character, "Kasey", is boring and dumb?

I wanted to know what u guys think because this morning, I was planning on making a special a new anime fan fic, but someone, "Forsaken Outcast", told me that my fan made character's name was dumb, stupid, and not to mention boring! :'(((((

It really hurt me bad and I worked so hard to come up with this story and fan made character.

I want to know what u guys think...if it's dumb, u can say it. I'll try not to overreact.