Answer: Shakespeare makes fun of characters whom Ovid treats seriously.
The last act of A Midsummer Night's Dream is intended to provide comic relief. Therefore, it is absurd and nonsensical, as well as humorous. The characters try to enact the mythological story of Pyramus and Thisbe, by Ovid. However, Ovid's story is tragic, and it takes the characters seriously. On the other hand, Shakespeare makes fun of the characters.