His name was Theodore Edward Bear.
4 seconds sound clip from the The Bear Who Slept Through Christmas movie soundboard.
You can hear this line at 00:01:51.229 in the VHS version of the movie.
Quote context
[...]
- Everyone, that is, except bears.
- Why? Well, because bears sleep through Christmas.
- His name was Theodore Edward Bear.
- Ted decided to stay awake and find out for himself what Christmas was all about. This is his story.
[...]