Most Amazingly Camouflaged Organisms (Natures Quest)

1.Idoloantis Diabolica – Devil’s Flower Mantis

2.Hidden Shrimp

3.Rock Grasshopper

4.False Leaf Katydid, BCI, Panama

5.Scorpion Fish

6.OWL

Edit:

7. Uroplatus Geckos

8.Toads

9. Stick Insect

10. Pygmy Seahorse

11. Desert Spider

12. Leaf-Tailed Gecko

13. Tree Frog

14. Great Potoo

15. Common baron caterpillar

16.Mossy leaf-tailed gecko

17.Stonefish

18.Horned Adder Snake

19.Violin Mantis

20.Uropyia meticulodina : the one mentioned in the question itself

and off course last but not least.....
21. Humans

yeah there is a marine hiding in the last one somewhere.