Sesame Street is 40

Thanks to Google I now know that it's Sesame Street's 40th birthday.   Sesame Street was a staple when I was little.  I just found 2 of my favorite people together on youtube: 

My all-time favorites from Sesame Street were (in no particular order, of course):  Cookie Monster, Grover, Big Bird, Sunffaluffagus and The Count.  What about you?