Lego Atlantean Warrior

Lego Atlantean Warrior by Legohaulic.

*Buy Lego Atlantis toys at eBay.

Robin, made out of Lego

Robin, made out of Lego by Dave Kaleta.

*Buy Batman sketch cards at eBay.

Micro-scale Lego mechs and building

Micro-scale Lego mechs and building by Rod Gillies, who also recently posted some clever micro-steamships.

*Buy Lego minifigs at eBay.

Miss Scarlet in the Ballroom with a very big wrench (and more Lego)

Ezra B.'s gallery is full of funny Lego creations including a funny take on Clue, Astro Boy, demonic clown, Captain America with fan, and Super Mario. Via.

*Buy Astro Boy toys at eBay.

Lego robotic elephant

Lego Mecha-Elephant by Matt "Monsterbrick" Armstrong.

*Buy Lego at eBay.

Lego Mecha

Lego mecha by Ryuhei Kawai. Via.

*Buy Lego at eBay.

Lego Portal Turret

Lego Portal turret with opening side panels by Will Page. Via.

*Buy Companion Cubes at eBay.

Lego Starscream

Lego Starscream by Orion Pax/Alex Schranz.

(Per the comments, they're actually a new product called Kre-O. You can see a different Starscream here.)

*Buy Transformers Happy Meal toys at eBay.

Lego Mickey Mouse

Lego Mickey Mouse by polywen.

*Buy Disneyland posters at eBay.