Had to say I'd never heard of it until last week.
Not sure what exactly this is, but it looks quite cute.The pattern is on Wikihow here http://www.wikihow.com/Crochet-an-Amigurumi-Toy
If you want to find more animals check out this website. There's lots of other stuff too here, snowman, frog, fish, jack -o- lantern or a skull bag for Halloween, even food like candy corn? There's also lots more crochet and knitting patterns on the site and lots of them are FREE!
http://www.lionbrand.com/cgi-bin/patternList.fcgi?tXX=1&d=Children&s=Crochet
This Blog has some unusual ones, jammy dodgers, strawberries, mushrooms and a bear dressed up as Little Red Riding Hood. Not all the patterns are given but it gives you some ideas. http://imaginarywardrobe.blogspot.com/search/label/amigurumi
Just in case you don't crochet but fancy giving it a try here's some instructions.
http://www.lionbrand.com/cgi-bin/faq-search.cgi?store=/stores/eyarn&learnToCrochet=1
