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: Darrel was sleeping peacefully. Sentence2: He had worked for 12 hours and was exhausted! Sentence3: He felt something wet and sticky on his face. Sentence4: His dog had missed him while he was at work. Sentence5: The dog wouldn't stop giving him kisses!
[A]: Darrel, Dog

[Q]: Sentence1: Dean decided he was going to prank his principle. Sentence2: He took a carton of eggs from his fridge and headed out. Sentence3: He arrived at his principal's house a little after midnight. Sentence4: After throwing two eggs his principle came outside. Sentence5: He was forced to clean up the mess and serve detention for a month.
[A]: Dean, Principal

[Q]: Sentence1: My room was feeling a little dim. Sentence2: I decided that I should buy a new lamp for my room. Sentence3: I called my friend Rachael, who has a car. Sentence4: Together, we drove to a furniture store in the suburbs. Sentence5: I found the perfect lamp, and my room feels much brighter.
[A]:
I (myself), Rachael