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: I had a friend that used to always be around me. Sentence2: He was cool, fun, and shared many memories with me. Sentence3: He had his friends set me up to get robbed. Sentence4: I have not talked to or heard from him since. Sentence5: This was back in college.
I (myself), His friends, Friend