Given the task definition and input, reply with output. 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: Peg's workplace had been having power outages all morning. Sentence2: After hours the power was restored, and the computers were started. Sentence3: Peg unfortunately had to help a very rude customer. Sentence4: After several miserable minutes, her computer suddenly shut down. Sentence5: She had never been so grateful for a power outage.
Customer, Peg