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: Austin wants to become a professional musician. Sentence2: He plays the electric guitar very well. Sentence3: He and his friends have their own band and they are good. Sentence4: They all know if they work hard they can do anything. Sentence5: One of these days he will be famous!
Friends, Austin