Norby and the Oldest DragonIsaac Asimov, Janet AsimovThe Norby Chronicles, book 9

Characters in Norby and the Oldest Dragon

3 characters, main characters first.

Main characters

Jeff Wells
Also in Norby, the Mixed-up Robot, Norby's other secret, Norby and the queen's necklace, Norby down to earth
Norby
Also in Norby, the Mixed-up Robot, Norby's other secret, Norby and the Lost Princess, Norby and the queen's necklace, Norby finds a villain, Norby down to earth, Norby and Yobo's Great Adventure

Supporting characters

Grand Dragon