Duke is Sun Microsystems (we put the "Arrr" in SparcStations) mascot for Java and related technologies. He is a black and white triangle with a red nose, no eyes and wierd, insectlike arms.

What most people don't know is that Duke is lifted wholesale from a 1950's Disney cartoon (starring Goofy) called "Cold War", in which our dog-headed-man hero fight the anthropomorphosized version of the influenza virus (Duke, or Duke's granddad, perhaps). If any of you have cable or know where old showreels or compilation videos of Disney shorts can be acquired, you can see this for yourself. It would probably piss Sun off, though, having fought off Microsoft's attempts to break Java for five years only to have Disney bust their asses!