Manny Heffley

Manny Heffley is Greg Heffley's little brother. He calls Greg "Bubby" throughout the first book. Then, there is a play at Greg's school and when the start of a sence starts, Manny shouts "BUBBY!" and Greg deflects the embarresment by saying "I think you dropped an apple, Bubby" to another person. He has an overbite and his teeth are far apart. According to "Book 1", Manny is a fan of the television show Sesame Street, especially the "C'' is for Cookie" sketch