https://en.wikipedia.org/wiki/PZL_M-15_Belphegor
The M-15 is still uglier. Also intended as a cropduster, though unlike the AirTruk it was really bad at that job in every way.
here is a great video documentary on the m-15
https://www.youtube.com/watch?v=ZlyO9cJ8hiQ (Alexander the ok: PZL Mielec M-15: One of the Aircraft of All Time)
I'll raise you the Blackburn B-54 [0] and the Fairey Gannet [1].
0: https://en.wikipedia.org/wiki/Blackburn_B-54
1: https://en.wikipedia.org/wiki/Fairey_Gannet
here is a great video documentary on the m-15
https://www.youtube.com/watch?v=ZlyO9cJ8hiQ (Alexander the ok: PZL Mielec M-15: One of the Aircraft of All Time)