Pixies created this world, I found evidence for Pixies, look?

I believe we were all put on this Earth by Gallifreyan timelords who wanted to see what time would do to creatures with only one heart and a shorter lifespan, but the Daleks and Cybermen (not to mention the Slitheen, Adipose, Sontarans etc.) just HAD to get in the way of their plans...