Pope's "An Essay on Criticism" was fiercely attacked by one of the following. Who was it ?

Alexander Pope's "An Essay on Criticism" (1711) was fiercely attacked by the critic and dramatist John Dennis in his pamphlet "Reflections Critical and Satirical, upon a Late Rhapsody, Call'd, An Essay upon Criticism" (1711), after Pope mocked him as "Appius" in the poem. John Dryden had already died in 1700, and Jonathan Swift was Pope's close friend and fellow Scriblerian.