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: Buddy planned a trip to the lake. Sentence2: He invited his friend Joe. Sentence3: Buddy and Joe rented a small boat. Sentence4: The two men spent the day fishing. Sentence5: They caught no fish, but had fun.
A:
Buddy, Joe