He made a fountain of sirens astride dolphins, alternating with scallop shells, with putti clasping fish and other figures, for the king at Hampton Court Palace.
It was noticed by John Evelyn in 1662, and some elements remain, perched on a high rusticated base, as the Diana Fountain in Bushy Park.
His only signed sculpture is a portrait bust of a youthful Charles II as Prince of Wales, dated 1640, at Welbeck Abbey.
[6] The king had a St George and the Dragon and a Cupid on Horseback in black patination among 36 small bronzes in the cabinet room at Whitehall Palace.
[8] George Vertue noted that the outstanding horseman and connoisseur of the riding academy, William Cavendish, first Duke of Newcastle at Welbeck, had a number of Fanelli's horse statuettes.