What IF!

you mix a story of Robotnik where he turn himself into a monster that Feed on ther life blood of the people of his world and they become his mindless rotten slaves that slowly Roboticize each part of their rotten body fall off.

Mix Satam Robotink + "Ultimate Hellsing" Alucard's power + the Major from that manga/anime =

Dark Lord Julien Robotnik.

in a Dimension Robotnik was losing or should say he lost, he was on the run, but then he found a ruin place using his Tech and knowing of powers like the power stones or chaos emeralds or power rings, he found this Dark power would make him the weapon.
he just need a body as his big fat body would not do, so he took the body of a dead a long dead mobien bat from the place, and began to use his machines to build it using his DNA and Tech, and then he did tie Ritual.
his soul his life blood was suck out and into the body, at this time the Freedom Fighters Rust in to see the now Dead body of Robotink.
but then he slowly sit up he look at his enemy's and all he thought was the HUNGER, he attack them fast going for Sonic first biting Draining his blood, then one by one he took them all.
after his victory meal their body's begin to move the big bite and rips he did on them healed by roboticize, but they was mindless but they followed his orders.
he begin his attacks slowly on villages on homes getting the people drinking eating their life blood making them his army, and then he captured Sally and made her watch as he did it to everyone on the planet.
and when her mind was broken he bite her. yet he then return some blood into his followers mixing the blood the souls making followers his evil leaders who follow his will.
Robotink is Dead, LONG Live the undead master the DARK LORD JULIEN ROBOTNIK!

what you all think?