Carl² plot
Carl Crashman is going through a rough time as a teenager. One evening, he decides to send some DNA of himself to a company that makes clones. However, his DNA is accidentally sent in with some drool from his dog. The next morning an exact clone of Carl is at the door. Carl decides to call him C2. However, there are two problems: C2 has 5% canine DNA, and no one should know that he exists.