My face performances in the film are Rodney and Ted Knight - Rodney reminds me of my late father in the film - Ted Knight reminds me of me when I get angry.
I agree, they stood out and were hilarious, Dangerfield with his polished schtick and Knight with a brilliant performance. Of course, the rest of the cast were hampered by the poor writing and directing. Except for Murray, who showed up at the last minute and just winged his crappy performance. That's all on him.