1) Humorist 2) Humourist 3) Jonathan Swift, notably 4) Master of sarcasm 5) Ridiculer 6) Satirist 7) Socrates, at times 8) Writer of sardonic humor 9) Writer of satire 10) Writer using incongruity 11) Writer with a twist 12) Wry writer Found on https://www.crosswordclues.com/clue/ironist