Joshua skits are family situation skits, with a little boy named Joshua Christianson, who is just like any other Christian boy or girl you might know.  He loves God with all of his heart, and he knows the what the Bible says, but just like all little children, he needs to learn to do what the Bible says. Joshua is a little kid, and therefore helps the kids in your class to relate with what you are teaching.  Josh, Sis, and Billy (Josh's friend) all talk wike wittow kids (like little kids) and Billy always spits when he says a word that has a letter "P" in it.
Joshua Example