What is characters in gregor the overlander?

1. Gregor - The main protagonist of the story, Gregor is an 11-year-old boy who lives in New York City. He is portrayed as brave and resourceful, always ready to help others.

2. Boots - Gregor's two-year-old sister who accidentally falls through a grate leading to the Underland. She is adorable, energetic, and curious, and often puts herself in danger.

3. Luxa - The princess of Regalia, a city in the Underland. She is initially aloof and mistrustful of Gregor, but later becomes a friend and ally.

4. Ripred - A rat who becomes Gregor's ally in his quest. He is brave, cunning, and fiercely loyal to his friends.

5. Vikus - Luxa's grandfather and the leader of Regalia. He is wise, kind-hearted, and respected by all the inhabitants of the Underland.

6. Hazard - A giant cockroach who serves as Gregor's guide through the maze-like tunnels of the Underland.

7. Boots' cockroach - An intelligent cockroach who becomes Boots' friend and protector in the Underland.

8. Ares - The king of the rats, and Ripred's arch-enemy. He is cruel, power-hungry, and bent on destroying the humans of the Underland.

9. Solovet - Luxa's aunt and the leader of the Gnawers, a group of rats who are at war with the humans of the Underland. She is cunning, manipulative, and willing to do whatever it takes to win the war.