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: Calvin was so excited! Sentence2: His friends were coming over for a birthday party. Sentence3: He cleaned his room and decorated the play room. Sentence4: They came over and brought him gifts. Sentence5: He had a great time!
Friends, Calvin

Sentence1: Randy hopped out of the moving truck. Sentence2: He helped his family unload the boxes into their new home. Sentence3: The rest of the day was spent unpacking and moving furniture. Sentence4: By night, Randy was exhausted. Sentence5: He couldn't wait to meet new friends tomorrow.
Randy, Friends, Family

Sentence1: Jackson decides to watch a professional baseball game. Sentence2: During the game he begins to feel hungry. Sentence3: He eats a hotdog and drinks a beer. Sentence4: After eating he feels too sleepy to watch the game. Sentence5: He goes home to nap before the game is half over.
Jackson