Barry Grossman

Barry Grossman (known as Barty Melman in the online version) is a character mentioned by Grandpa in Rodrick Rules, apparently he once borrowed a vaccum  from him and didn't returned to him for a long time and goes out for a three-hour walk.His age is unknown,since in his silhouette he is potrayed with a walking stick,he must be old and must be in his 70s plus.

Online Version Link

 * http://www.funbrain.com/journal/Journal.html?ThisJournalDay=145&ThisPage=4