| Jerry | Draggo | The world's skunk expert. |
| Mr. | Grayson | Bat's teacher. |
| Miss | Kiko | The kindergarten teacher. |
| Mr. | Martinez | The school principal. |
| Mrs. | Martinez | One of Bat's teachers. |
| Jenny | Pearson | One of Babycakes's frequent visitors. |
| Alexander | Tam | Bat's father. |
| Bixby Alexander | Tam | Protagonist. Aka: Bat. |
| Janie | Tam | Bixby's sister. |
| Valerie | Tam | Bat's mother. A veterinarian. |
| Robert | Willett | The school owner. |
| Babycakes | | The rabbit at Bat's school. |
| Beary | | Bat's teddy bear. |
| Cory | | One of Bat's classmates. |
| Ezra | | Janie's best friend. |
| Israel | | One of Bat's classmates. |
| Jeff | | The poodle at the vet. |
| Julio | | A 4th grader. |
| Laurence | | Bat's favorite vet tech. |
| Lucca | | One of Bat's classmates. |
| Patches | | Bat's cat. |
| Pickles | | The sick cat. |
| Raymond | | One of Bat's classmates. |
| Thor | | Bat's skunk. |
| Tom | | Israel's father. |
