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: Barry was anxious to attend his upcoming reunion. Sentence2: Barry was invited to give a speech about his favorite teacher. Sentence3: Barry has been practicing his speech for over two months. Sentence4: As the day arrived, Barry was ready to give his speech. Sentence5: After the speech, Barry's teacher thanked him and hugged him.
A:
Barry, His favorite teacher