Q: 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: Tim bet his friend Todd that he couldn't eat a grasshopper. Sentence2: Tim caught a large green grasshopper in his front lawn. Sentence3: Tim teased Todd for hours. Sentence4: Finally Todd gave in and ate the grasshopper. Sentence5: He spit it out because it tasted so disgusting.
A:
Tim, Grasshopper, Friend