Leaf was the third robot built in the Leaf family. He came to life 8/20/2004. Leaf is the most "finished" robot so far, using a water softener brine tank to achieve an R2D2 look.
Leaf was built by Bruce Weimer, the originator of the Leaf AI software.
Some pictures follow.
Bruce talking to Leaf
Leaf at his home
Bruce talking to Leaf with Mabel looking on.