Given the task definition and input, reply with output. 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: Dunn was expecting a baby boy soon. Sentence2: His wife and him were having trouble settling on a name. Sentence3: His wife liked one a lot but Dunn continued to refuse it. Sentence4: As the birth got closer, Dunn conceded. Sentence5: In the end the baby's name seemed perfect from the beginning.
Baby, Dunn, Baby boy, Wife