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.
Q: Sentence1: Swarthanger took a leisurely stroll down Broad St. Sentence2: He noticed a man on top of a ledge of a building. Sentence3: Swarthanger screamed and told him not to jump. Sentence4: He said he would buy him an ice cream cone if he didn't. Sentence5: The man insisted it be Rocky Road, and ran down to get the ice cream.
A:
Swarthanger, A man