His grandmother is often depicted riding a motorcycle, while his other relatives include the balding Doc Boy who lives on his family's farm.  
This man's off-tormented mailman is Herman Post, and in movie adaptations this person has been played by Breckin Meyer. His grandmother is often depicted riding a motorcycle, while his other relatives include the balding Doc Boy who lives on his family's farm.  He stars in eponymous Christmas and Thanksgiving specials on YouTube where the non-human characters have been removed, which hit on the same theme as a popular Dan Walsh webcomic.  A one-time friend of Lyman, for 10 points, name this character, in some continuities married to veterinarian Liz Wilson, the owner of a pet cat named Garfield.
This man's off-tormented mailman is Herman Post, and in movie adaptations this person has been played by Breckin Meyer.
{Jon Arbuckle} [accept either underlined answer]