Dave

Grandpa Dave is the grandfather of Arthur, D.W., Kate, and Cora, and the father of Jane Read, Jessica, Lucy, and Fred. He lives on the family farm, which has been in the family for over 150 years. He enjoys playing checkers. Although he's part of the series' main cast, he has rarely appeared since.

Appearances

 * Arthur
 * Grandpa Dave's Old Country Farm
 * The Big Dig
 * The Secret Life of Dogs and Babies (fantasy)
 * Happy Anniversary
 * Arthur's Perfect Christmas

Trivia:
He has developed Alzheimer's Disease revealed in http://www.youtube.com/watch?v=9XjKZhfS3ws Grandpa Dave's Memory Album].