Kornelius von Kickpaw or OOK for code name, he is Geronimo's friend from elementary school. He is a secret agent leading dangerous missions throughout the world for the government.
He always wear a super-accessorized tuxedo and sunglasses, even at night. He is handsome. He has black hair. He has a tie. He doesn't wear shoes.
- He always finds mysterious and bizarre ways to communicate because he doesn't want his messages intercepted.
- He is wealthy and loves art and racing cars.
- He has a sister named Veronica von Kickpaw.
- He used to protect Geronimo from bullies in school.
- He is willing to protect Geronimo whenever in danger.
- Even though Kornelius is a tough mouse, he's a real softy at heart.
1. Geronimo Stilton, Secret Agent
2.The Giant Diamond Robbery
3. Mouse in Space!
4. The Hunt for the Golden Book
5. Magical Mission