Board Thread:General Discussion/@comment-26242189-20160627082403/@comment-26242189-20160627083756

"My sister calls me that ALL THE TIME!" -Monster Kid.

Also, their dialogue could just mean they're depressed. They say "...that THOUGHT scares me." meaning that they weren't ACTUALLY erased from existance. The fact that we only see them once and they want you to forget them could just mean they're in hiding, or they don't want to be noticed.