In sanskrit and in most indian languages funny stories with Ravana as the butt of ridicule have appeared in plenty.
The great malayalam satirist and poet kunchan nambiar has written a funny story of Ravanas encounter with karthaveeryaarjuna..the thullal katha is the classic Karthaveeryarjuna vijayam ..
The humiliation of Ravana at the hands of the monkey chief Vali is seen described in all languages in India.
Ravana was a mixed bundle with some learning but with a lot of perversion and arrogance