Slade The Deathog has such hate for all living beings and threaten to burn them all into crisp he has no remorse for his actions. He is a Firehog but he prefers to call himself the Deathog since his fire burns and turns anyone into ashes with no effort. He was once a young normal hedgehog who became a projected of the evil scientist Spear a evil Scorpion who creates all the types of evil machines and experiments but all that change, he has no memory but to destroy anything that stands in his way and doesn't care who he hurts. Even thought Slade doesn't seem to feel much emotions for his actions DEEP down there is still a very scared little boy trap, wondering what happen to him.
Once a normal hedgehog his real name was Blake he was on his way to school until he was kidnap from a strange scorpion cyborg and started to experiment on Blake, Spear knew he lost his parents from a house fire around 3, survived he was set to a Orphanage where he remained for the next few years. Spear found out his body was able to resist the heat of a burning flame. Treating Blake like a Project he kept using his body for experiments so horrible that it traumatized him to obey His captures every word, he has forgotten who he was once was, The capture has frozen his body inside a freezer to keep him temporarily hyper sleep for a few years. As the years past he was thawed out he has no memory of his past, he first replaced his body with heat resisting metal and turns half of his body into a robotic cyborg, and soon uses the power of the sun to rise up his power level to a dangerous level that nearly killed him, as his body slowly ages to the point of a full adult, a evil hedgehog with pure hate for all living beings and has known to be called Slade The Deathog.

Data is such a Evil villain to avoid, he is extremely strong and able to copy and do the same powers that he scans. like Emerl. And his steel armer which is Vibranium is tough enough to survive in Lava for a period of time. he is ruthless, careless and all that he wants to do is destroy all the living beings ether killing them or robotizing them to turn the Earth into Keldian, Planet of Machines.
He was once a Hedgehog name Shawn who wanted a real parents, his parents treat him like a nobody the only friend he had was a computer he called Veronica, a female voiced super intelligent computer who plays chess with him. His parents hired a scientist who goes by the name Eric, a scorpion lover who love to take risk for science, Eric used Veronica and destroyed her system to get what he wants, Shawn felt so much hate for Eric for taking away his only friend. Eric had killed his parents for the whole lab, and decided to use Shawn has a way to see if living cells can convert into computer cells he wanted to create the most powerful machine and what better way to do it then to use a live sacrifice to get what he wants and so the young hedgehog was the guinea pig, and what he did was he basically made a machine with a soul, and the young hedgehog was forever lost in the machines data.. Going though so much painful failed experiments, Eric finally transferred Shawns soul inside the computer, able to control every movements of his body, using him, abusing. Unable to become like he was he decides to take matters into his own hands and use Veronica's old computer system to command the machines to build him a body, resulting Shawn to slowly have a change of personality into more of a mad machine then anything alive. He destroyed the lab hopefully killing the one who destroyed his life, has his memory slowly deletes who he once was he had become the Evil robot known has Data, and will someday kill and turn anything alive into machine.
Eric didn't die from the blast, but was merge with DNAs of Scorpion, becoming Spear the Scorpion.