omg haha, i do that!! im like just talking about it with my other harry potter obsessed friend and i get to somewhere about tom riddle and my best friend heard that name and she's like who? she doesnt like harry potter :0 can you believe that!? so ive gotten used to rolling my eyes at her. :)
my fiance won't let me get a ginger cat just for that very reason. When he suggested we get a tabby cat, I told him I'd name it Mrs. Norris, even if it was a boy. Then he said "Let's just get a dog," and I said, "Can I name him Fang? Or possibly Fluffy?' He's very frustrated with me at the moment.