Who created the character in "Days of Wine and D'oh'ses" that was upset about his friend giving up alcohol?
Days of Wine and D'oh'ses:  In the episode, Barney realizes how much of a pathetic drunk he is after watching his birthday party video and decides to give up alcohol forever, which does not sit well with his friend Homer. Homer Simpson:  Homer was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. Brooks' office.
Matt Groening