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: Mindy was scared of roaches. Sentence2: She thought they would one day take over the world. Sentence3: One day she got out of bed for a glass of water. Sentence4: She saw a roach on the floor. Sentence5: Mindy nearly fainted.
Roaches, Mindy