monsterid was inspired by a post by Don Park [1] and the Combinatoric Critters [2]. All graphics were created by Andreas Gohr [3]. The source code and the graphics are provided under the Creative Commons Attribution 2.5 License [4] [1] http://www.docuverse.com/blog/donpark/2007/01/18/visual-security-9-block-ip-identification [2] http://www.levitated.net/bones/walkingFaces/index.html [3] http://www.splitbrain.org [4] http://creativecommons.org/licenses/by/2.5/