2 | Isabella | B. Thornton | Protagonist and Narrator. Aka: Izzy. |
4 | Anastasia | C. McAdoo | Isaiah's girlfriend. |
| John Mark | Metzker | Nicole's boyfriend. Aka: Number Seven. |
7 | Alicia | | Isaiah's friend. |
| Monique | | Isaiah's friend. |
| Miss | Pearson | Izzy's acquaintance at the homeless shelter. |
8 | Heather | | Izzy's friend and classmate. |
| Imani | Bonner | Izzy's friend and classmate. |
| Mr. | Kazilly | Izzy's English and History teacher. Aka: Mr. K. |
| Clint | Hammond | Izzy's handsome classmate. |
| Logan | Lindquist | Izzy's schoolmate. Logan's friend. |
| Toby | Smythe | Clint and Logan's friend. |
11 | Isaiah Maxwell | Thornton III | Izzy's father. |
12 | Zeke | | The assistant manager at Scatterpin Bowl. |
14 | Madame | Rubenstein | Izzy's piano teacher. |
15 | Fifi | | Anastasia's dog. |
18 | Remi | Geniet | A guest piano soloist at Cincinnati Symphony Orchestra. |
| Nicole Theresa | Thornton | Izzy's mother. |
20 | Gretchen | | Izzy's classmate. |
| Jontay | | Izzy's classmate. |
| Cecil | | Izzy's classmate. |
25 | Manuel | | Izzy's classmate. |
| Rochelle | | Izzy's classmate. |
| Tiffany | | Izzy's white classmate. |
| Kevin | | Izzy's classmate. |
28 | Erin | | Rochelle's friend. |
| Langston | Hughes | A poet. |
| Gwendolyn | Brooks | A famous poet. |
| Maya | Angelou | A famous poet. |
| Jason | Reynolds | A famous poet. |
| Paul Laurence | Dunbar | A poet who lived in Dayton. |
29 | Muzio | Clementi | An Italian composer. |
30 | Mrs. | Garcia | The sixth-grade counselor. The principal at Izzy's school. |
31 | Mrs. | Bonner | Imani's mother. |
35 | Joyce | Kilmer | An American author. |
40 | Griselda | | A saleslady at the mall store. |
| Kendi | | Imani's sister. |
41 | Herbert | | A salesman at party city. |
50 | Cornelius | | A waiter. |
56 | Chango | | Isaiah's best friend. |
60 | Alessandro | Deljavan | An Italian classical pianist. |
63 | Mrs. | Hammond | Clint's mother. |
70 | Naomi | | Izzy's nurse. |