Complex sentence: Vector the Crocodile, who was originally designed to appear in the original "Sonic the Hedgehog" s scrapped sound test option, was reintroduced, and the other characters, Espio the Chameleon, Charmy Bee, and Heavy and Bomb, were created from scratch.
Split into simpler sentences: Vector the Crocodile was reintroduced after originally being designed to appear in the original "Sonic the Hedgehog" s scrapped sound test option. The other characters, Espio the Chameleon and Charmy Bee, were created from scratch.