The continuity is all over the place, but, like Justin suggests, it's probably Aunt Lars, from the Coast to Coast episode "Jerk" who was Raymond's mother.
@@dreamguardian8320 It- along with the rest of Count Floyd's _Cartoon Planet_ segments- was originally from _The Completely Mental Misadventures of Ed Grimley_ . There, all done. Now, all that's left is to submit this response- but in order to do that, I will need to click the "REPLY" button using... My finger!