Kids are, in general, a weird bunch. Every kid I've ever met, related to me or not, has done things that make me raise my eyebrows and shake my head. But there are creepy things imaginative kids do that will make those "regular crazy kid moments" look like child's play, I guarantee it.
I have one of those imaginative kids. In fact, I might even have two, but once you've established that "crazy" is the new "normal" with my first, the weird things your second child does don't seem so weird anymore. My daughter has, and continues, to blaze a path of creepiness, and I constantly have to remind myself that her big imagination, which is mind blowing when I stop to think about it, is what fuels the moments that give me pause. I also remember the early days I spent with my stepdaughter, who was my biological daughter's age when I first met her, and she was just as creepy. In an adorable way, of course. Our first day of hanging out ended in a family dinner at my future sister-in-law's house. She beckoned me to the basement, made us hide behind a couch, and quietly whispered to me that all her cousins, aunts, and uncles there were either Martians or Aliens (they were different in her mind, somehow) and it was up to us to figure out who was who.
First impressions, right? Maybe those creepy things your kid has been doing mean the same thing. Take a look at these eight things kids do that just mean they have a big imagination: