Think this is all the characters?
Air Wave
Ladybug
Salem the Witch Girl
Jimmy Martin (Minute-Man Martin)
Wing
Robbie the Robot Dog
Cherry Bomb
Tommy
Flip
Scrapper
Big Words
Gabby
Famous Bobby
Betsy Ross
Molly Pitcher
John Henry Jr.
Quiz Kid
Little Boy Blue
Toughy
Tubby
Little Miss Redhead
Stargirl