You will be given a definition of a task first, then some input of the task.
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.

Sentence1: Tim was twelve and seeing his first action movie in the theater. Sentence2: At first he was afraid. Sentence3: It really looked like the bad guy was going to win! Sentence4: Then, at the last minute, the good guy won their fight. Sentence5: Tim cheered with relief!
Output:
Tim, The bad guy, The good guy