What an awesome surprise, Meowmie ! ! It sounds like they must have had some large Koi there, to be so friendly. I have never had any of these awesome fish, but i have seen them in the stores that sell pond supplies and fish, and they are so beautiful and also friendly.
I had a friend in Idaho that had a pond with Koi in it, and they would come right up to the top and almost talk to him to get some attention and some food from him. Bud has made a nice sitting area near the pond, so he and his wife could sit there and enjoy watching the fish swimming around.
It is a good ting that those Koi didn't know that "Uncle Bud's" favorite sport was fishing, or maybe they would not have been so happy to see him when Bud and Maryanne came out to sit by the pond in the evenings.....