Look at my project with the monkey. He's not even in my project! If there are any characters in it, there's chillana. Here's proof:
Sometimes hopscotch just does that. Sometimes my project wil, have a bird, when I only have Cosmic Cody.
Like I said a few times in this forum, machines are also not perfect just like us.
Besides, machines are programmed by us, humans.
I've had the bird problem to. Just unpublish the project and re-publish it again.