Original: After Hargreaves ' death in 1988 , his son , Adam Hargreaves , began writing and illustrating new stories involving the Mr. Men and Little Miss characters , including the creation of ten new characters , four of which were inspired by work Roger Hargreaves had produced before his death .
Simplified: After Hargreaves died in 1988 , his son , Adam Hargreaves , began writing and illustrating new stories about the Mr. Men and Little Miss characters . He created ten new characters ; four of them were inspired by work Roger Hargreaves had produced before his death .