The Hebrew meaning of "Isaac"...

Isaac (/ˈaɪzək/;^[1] Hebrew: 

"[he] will laugh"

And he certainly does :)

http://www.youtube.com/watch?v=6CkZ1iQ9Sls&sns=em

(This video is just audio, because as soon as he sees the camera he becomes mesmerized and stops expressing.  I just kept the camera face down out of his sight and was able to capture some good giggles tonight.  Enjoy!)