Since "he" is from Germany, how about Willheim, Klaus, Gunther (not sure if this one is really German, but I like the way it sounds!)Kleine Blaue (Little Blue, listen to it at:
http://translate.google.com/translat...ls=org.mozilla:en-US:official&client=firefox-a&q=blue&um=1&ie=UTF-8&sl=en&tl=de&sa=X&ei=x6DCTeehD86jtgfanPy0BQ&ved=0CB0QrgYwAA#en|de|little%20blue).
Enjoy your new baby, he's really cute!