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: Tim ran into an old friend on the street. Sentence2: They hadn't seen each other in years. Sentence3: Tim's friend wanted to hang out and catch up. Sentence4: Tim hated himself and his life and didn't want to. Sentence5: He agreed to do so but then never replied.
A:
Tim, Old friend