Shrek

Eupholus Weevil

Rosy Maple Moth

Common Blue Damselfly

Iridescent Bark Mantis

Bibliography

Notafly, CC BY-SA 3.0, via Wikimedia Commons
Andy Reago & Chrissy McClarren, via Flickr
Papua New Guinea, Bulolo leg 1982, det. U.Schmidt, via Flickr
Tony Hisgett from Birmingham, UK, CC BY 2.0, via Wikimedia Commons
Notafly, CC BY-SA 3.0, via Wikimedia Commons

My top 3:

Atala Hairstreak
Caddisfly(specifically as larvae)
Jewel Beetle