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: Chad loved riding on fast boats. Sentence2: Recently, Chad's friend invited him on his speed boat. Sentence3: Chad had fun feeling the wind blow in his hair. Sentence4: Chad, most of all, loved the speed the boat traveled. Sentence5: Chad could not wait to go on the speed boat again.
Chad's friend, Chad