Revenge of the Lawn Gnomes

So my dad always wanted one of those lawn gnomes you put in your front yard. My mother finally got one for him as a birthday present. He decided that it was too nice to leave outside and that he wanted to keep the gnome in the house. At this point I made the fatal decision to tell him that I wasn't ok with it, and that I was afraid of lawn gnomes.

The next morning I woke up to the lawn gnome sitting on my bedside table (not ok).

Last night I went to sleep late. When I went to bed this is what I found:
The next morning I woke up and I was looking at my bookshelf and this is what I found:
I told my dad about the mini lawn gnome on my bookshelf:

Me: Wow, I was so freaked out by the lawn gnome in my bed last night! Thanks a lot, and that mini lawn gnome on my bookshelf was freaky.
Dad: I didn't put the lawn gnome there and I certainly didn't buy a mini lawn gnome. The lawn gnomes must be propagating!