"This is my baby named Teddy-Bear. The first pic is of him on the day we brought him home (at about 12 weeks old) sleeping next to a toy cat I have. The second is of him with the same toy in August this year, just a few months short of his fifth birthday. I can't believe he used to be that small!" said Teddy's hooman.

His toy cat has always been there with him:

Photo by teddydoll10 via Daily Squee.