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: Randy wasn't a generous guy, and he liked showing off. Sentence2: He purchased a million dollar duplex and threw a family bar-b-que. Sentence3: His cousin Chuck was impressed with the real estate purchase. Sentence4: But Chuck didn't like how Randy acted conceited over the purchase. Sentence5: Randy wouldn't share any financial expertise so Chuck left.
A:
Randy