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: I was throwing the baseball with my son. Sentence2: He threw one past me that landed in the lake. Sentence3: I reached in to get the ball. Sentence4: I lost my balance and fell in. Sentence5: I got the ball and a bath all in one shot!
I (myself), Son