Possible Clues:

• Ancient Greek satirist
• Second-century Greek satirist
• Lost lord retained one right in long-standing quarrel with painter
• One-named satirist of ancient Greece
• One-named ancient satirist ... or a Pokémon character
• __ Freud, painter
• Ancient satirist who wrote 'A True Story'
• 9, the painter
• Painter, psychoanalyst's grandson
• Swift inspiration from French and Scottish chaps