He was a competitive dairy farmer from Dropstone, who, despite his pride in his livestock, couldn't seem to tell his and other farmer's cows apart. Clabber was seen at the Dropstone festival trying to win the livestock competition. During the contest Clabber was seen yelling at Oscar. When they were fighting, Oscar says that there is no cause of alarm but Clabber insists otherwise. This leads Luke to deduce which cow is which.