| A | B |
|---|
| Stargirl | new girl; different; unique |
| Hillari Kimble | most popular girl; hates Stargirl; dates Wayne Parr |
| Kevin | Leo's B.F.F.; hosts Hot Seat |
| Leo | narrator, likes Stargirl; hates being shunned |
| Dori Dilson | Stargirl's B.F.F.; gets upset at Susan |
| Susan | the new Stargirl; is like everyone else |
| Senor Saguaro | a wise cactus; lives at Archie's house |
| Archie | wise old man; hosts the Loyal Order of the Stone Bone |
| Wayne Parr | most popular boy; influences everyone; dates Hillari |
| Uncle Pete | gave Leo the porcupine necktie when he moved |
| Alan Ferko | Stargirl sang happy birthday to him |
| Mallory Stillwell | popular girl; invited Stargirl to be a cheerleader |
