​From Wikipedia, the free encyclopedia Eric Allan Kramer (March 26, 1962) is an American actor, perhaps best known as Little John in Robin Hood: Men in Tights, as Thor in The Incredible Hulk Returns, as Whitey van de Bunt in Bob. and as Dave Rogers in The Hughleys. He currently co-stars in the Disney Channel sitcom Good Luck Charlie as Bob Duncan. Description above from the Wikipedia article Eric Allan Kramer, licensed under CC-BY-SA, full list of contributors on Wikipedia.