In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Q: Sentence1: Kyle got a song stuck in his head. Sentence2: He tried to distract himself by watching TV. Sentence3: He managed to forget about the song. Sentence4: A commercial came on with a catchy tune. Sentence5: Kyle raged as another song got stuck in his head.
A:
Kyle