Oh, wow, you've very suddenly gained the ability to read my mind
totally and tell me what I should be. 
Unfortunately for you, your abilities don't seem to be working
fine, because I am a Christian, but i don't happen to seek
attention like you do.
Do you realise what your actions mean of Christians? Sure, this is
a light-hearted matter, as you call it, but your frivolous attitude
and aggressiveness also transfer to other Christians. I'm not
saying you're the cause of it, but this is an example of how people
like to point out the so-called "flaws" of Christians.
Seriously, if you're just going to act like a child, there's really
no point in trying to convince you.