Here’s a description about the Heffley family:

Frank: always works at an office, funny, nice, sweet, 42 y/o
Susan: nice, sweet, writes in newspapers, caring, overprotective of her children 40 y/o
Rodrick: rude, makes fun of Greg half the time, irresponsible, always throws parties when parents aren’t home, creator of the band “Löded dïper”, 17 y/o
Greg: nice, best friends with Rowley, writes in a diary, 13 y/o
Manny: the favourite child, always ruins people’s things, 3 y/o