They give off an impression of being a good mix between both the splendid and the poodle (as a less than dependable rule Protogen however not for the most part in a f1 litter a couple pups will impact more towards a splendid, some more towards a poodle and some will be amongst), (f3 and higher is generally called multi time) is and f2 splendid doodle recreated back to a f2 splendid doodle and f4 is a f3 splendid doodle raised back to a f3...
https://www.vitaminofhealth.com/protogen/
https://www.vitaminofhealth.com/protogen/