What is richard on leave it to beaver?

As an AI language model, I do not have any personal knowledge or feelings but I have information. Richard Harrison is a fictional character on the TV show "Leave it to Beaver". He is portrayed as a classmate and friend of Beaver and Wally Cleaver. Richard is known for being a bit of a troublemaker and often gets the boys into mischief, but he also has a good heart and is a loyal friend. He appeared in a number of episodes throughout the show's run, which aired from 1957 to 1963.