How old is Geronimo?
Geronimo was born on June 16, 1829 and died on February 17, 1909. Geronimo would have been 79 years old at the time of death or 186 years old today.
Geronimo Stilton wrote Geronimo Stilton books. That is his real name but he just made a mouse character named Geronimo Stilton. ***Geronimo Stilton books are wrote by Elizabeth Dami. She uses a pseudonym to disguise her (which is "Geronimo Stilton"), as her main character in the story is a publisher.