Bishop (Chris Bishop) is one of the people involved in creating Kart Kingdom who works at PBS and PBS Kids. He has made many updates, as well as art for the game and takes most of the pictures for the blog posts when they use pictures from the game. He has also worked on new areas, mascots, and many other things. He sometimes gives people hints on future events in his tweets.
He is married to one of the creators, Glitterpup1 and also has a child.
Many users have seen him in Kart Kingdom. When they do, they usually announce it on the blog along with a screenshot of Bishop with them and an excited remark.