...a magical ovum.
"I have come to redeem your evil souls!" screeched the Pigglyfish in an odd Lou Reed fashion, "Behold the divine egg (like a bird's egg), fertilised by the royal, sub-par Shakin' Stevens impersonator, Elvis!"
With a swish of it's tail Pigglyfish vanished in a puff of wee, leaving Sue and Felicity Kendall-Barker to approach the egg with hushed awe. Felicity used her powerful lady-strength to push the ovum into Sue's lady-uterus.
Nine minutes later (the usual gestation period of a Pigglyfish) Barker-Kendall birthed a snail...a fabulously warped snail that counted an allergy to cider amongst its foibles. As he slimed his way down the bustling high street he came upon a...

PigglyFin