IT Angle
There's a picture of an Armadillo on the cover of the O'Reilly book "Essential System Administration, 3rd Edition: Tools and Techniques for Linux and Unix Administration"
Isn't that enough for you?
For any other animal based 'What's the IT angle?' questions, I'll refer you to their menagerie: http://www.oreilly.com/animals.html
Biting the hand that feeds IT
