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: Gina had finally gotten her pencil back from Dave. Sentence2: It had taken 2 people and 5 minutes of chasing. Sentence3: Gina decided to put her pencils away so he couldn't take them. Sentence4: She put them in her desk and left for the day. Sentence5: She was sure her pencils would be safe in the classroom overnight.
Dave, Gina