 An honest and brave young man of indeterminate age, he tries to fight injustice around him and help people.He is usually more level-headed than Fantasio, who always accompanies him, along with the pet squirrel Spip, and during the period of Franquin authorship, the Marsupilami.A six-year-old version of Spirou is the star of the spin-off series "Le Petit Spirou", which is concerned with his tribulations at school and the anatomy of girls.