King Daisy

The King Daisy was the leader of all Evil Daisies. He (or she) came from the Daisy Homeworld. Technology there was obviously good enough to get to Earth from the other side of Mutter's Spiral. There, it commanded all Evil Daisies to look cute and slowly posess other Daisies, as this would give them a better reputation to humans. But after 3 months, they started eating people. The newly-regenerated 15th Doctor stopped them and the King Daisy before anything major could occur.