Rana was a mob who resembled a little girl with a frog hat. She was originally in-game as a test in Indev.
http://www.minecraftwiki.net/wiki/Rana

Skin by Gaijin4koma (Know a better skin? Leave a comment)

Skin Link: http://www.minecraftskins.com/skin/157116/rana/

• Full size skin originally uploaded by tomasnorris
• Skin tweaked and mini added by lostminer

Looking for a real Rana papercraft?
See the one created by Too Much Tacky Glue:
http://toomuchtackyglue.blogspot.com.au/2011/01/rana.html