The Sleepig came from the common typo, me and cricket had a discussion, during which i said something along the lines of
"the sleepig is the pig that east the dreams you don't remember"
nasa has royalty free resources
http://www.nasa.gov/connect/artspace/participate/royalty_free_resources.html
Link
savageshark
This is a unique idea for a character design. Cool touch with the eye fluff of his robe and teh 3D effect in his cane