Escaped

Three convicts escape from prison. They make it to a nearby town but are confronted by a policeman. "Hey, aren't you those three escaped convicts?", asked the policeman. Thinking on his feet the first convict looked around him and said "no, I'm Mark, Mark Spencer." "The second followed his lead and said "My names is William, W H Smith." The third said "My name is Ken... Ken Tuckyfriedchicken!"