The Yip Yips
I don't know how I managed to miss this as a child, but this video of the Sesame Street Yip Yips meeting a telephone has been stuck in my head for two weeks now:
If you like that, check out Yip Yips Meet a Computer, Yip Yips Meet a Clock, and a fan tribute: dressing as Yip Yips for Halloween. You may also be interested in Wikipedia's explanation of the Yip Yips, the Yip Yip Fan Club, and Yip Yips on Flickr (see also: Yip Yip Cupcakes).
This post has been brought you by the Letter Y.