Rachel is a minor character appearing in The Ugly Truth who used to be Greg's dentist from when he was two years old all the way until Frank changed his dentist to Dr. Salazar Kagan. Greg has a very obvious crush on her, which she is oblivious to. She works at Tender Hugs
Rachel seems to have no special feelings for Greg; she is simply doing her job.
She is shown to have a pony-tail and dark hair.
- Diary of a Wimpy Kid: The Ugly Truth (First and only appearance)