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: Jimmy had recently gotten a new telescope from his school. Sentence2: Tonight he planned on using it. Sentence3: He went to his backyard and set up his telescope to face the night sky Sentence4: He focused on a bright spot in the sky. Sentence5: He was so excited to see the planet Venus through his telescope!
Jimmy