Linux penguins. Because everyone loves Tux, right?
The middle Tux was the first thing I ever cast. Burnout of the wax master was done in the kitchen oven...I am still surprised that that worked at all. Treated with liver of sulphur - penguins are black, after all.
Meditating Tux
This one was a gift to a former coworker of mine, but I liked it so I made one for myself as well. The specification was "The penguin in lotus pose, in the moment of enlightment." - kind of tricky if the penguin only has flippers with no fingers :)