(Click the character infographic to download.) Our little wallflower Charlie spends a lot of time analyzing, well, everything. He's always in his head, trying to think through some of life's grea...

(Click the character infographic to download.) Charlie is attracted to Sam from the moment he meets her. And he's not hesitant to wax poetic about the matter, either: "Sam has brown hair and very v...

(Click the character infographic to download.) Patrick is one of Charlie's best friends. Well, he's one of Charlie's only friends. We only get to see Patrick through what Charlie decides to share i...

(Click the character infographic to download.) Mary Elizabeth is quite a pill, if you ask us. With a tattoo and belly button ring, she's a teenage American Buddhist, and she has a lot to say about...

(Click the character infographic to download.) Bill is Charlie's super-cool ninth-grade English teacher. Can you say literary crush? Early on, Bill recognizes Charlie's intelligence and writing tal...