BENJAMIN REILLY

Ben Reilly was the result of a scientist known as Miles Warren who discovered Peter's secret and decided to clone him to make the perfect rival to Spiderman. 

THE SCARLET SPIDER

After breaking out and finding out that he may not be the real Peter Parker, he decides to hide himself from the world and completely change himself to look completely different to his other and changes his name to Ben Reilly. During the snap he feels that the world needs a Spiderman but refuses to take Peter's legacy and creates a suit of his own and gives the city a new Spiderman, the Scarlet Spider.

SPIDERMAN

After No Way Home him and Peter discuss their entire situation and eventually they decide to work to an agreement and decide to share the Spiderman role splitting the hero into two people where they each create their new suits.

SPIDER-CARNAGE

Later in their years an unfortunate turn of events results in the two Spiderman fighting it out not letting the other rest up however it's not until a Sling ring portal is opened right beside them which allows a creature of absolute size crawl through the portal and lunging at Peter Parker finding his anger to be incredible. Ben deep down wouldn't be able to live with himself if he allowed this creature to kill Peter so in a last ditch effort he leaped in front of him and took the hit which then resulted in the creation of the one and only Spider-Carnage.

FOREVER THE SCARLET SPIDER

After bonding with the carnage symbiote, he feels as though he let the city down and even more, he let Peter down, he tarnished the Spiderman name and refuses to be apart of his legacy anymore and returns to a smaller, quieter part the country and takes back his original alias, The Scarlet Spider.