Detailed Instructions: 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: Timmy was a toddler. Sentence2: He was chasing his pet cat around the house. Sentence3: Suddenly, he grabbed the cat's tail. Sentence4: The cat was angry, and scratched Timmy. Sentence5: Timmy was so scared, his mom decided to get rid of the cat.
A:
Timmy, Mom, Cat