...or the tooth fairy, or Thor, or Superman?
Of course you have!
Here is a wonderful post by Edward Feser explaining why 'tain't so, and why such comparisons miss the whole point.
Everybody should read Feser's blog and books-- certainly everybody who is going to venture an opinion on the existence or non-existence of God.
And his lucid and pertinent style, which avoids all question-begging and irrelevance, should be an example to anybody who sets out to advocate for religious belief.