Given the task definition and input, reply with output. 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: Bobby loved to play baseball. Sentence2: Unfortunately he was not very good at bat. Sentence3: His coach suggested he get his eyes checked. Sentence4: He wasn't seeing the ball well because he needed glasses! Sentence5: He was a much better player once he got his glasses.
His coach, Bobby