I like to keep descriptions pithy so I can paint a more vivid, lively picture through my posts (like appearance and personality).
Name: Gareth Slaughtovich
Physical Description: Black hair, shortish and wild. Black eyes, fair skin, generally scruffy facial hair. Lean, rangy muscle, roughly 6' tall.
Personality: Depends wildly on his mood. He is passionate and emotional and extroverted, but that can manifest itself in many ways, from dark, brooding depression to maniac gregariousness.
Background: His early life was in Seattle. His father was a deadbeat who died driving drunk when he was young. His mother passed away from illness a couple years after. He was raised by his grandparents (an only child). his grandfather was a Russian World War 2 vet, his grandmother a sweet old woman who loved to cook. They both passed away shortly after high school due to old age.
Gareth's didn't go to college. He was depressed after his grandparent's passing, and became heavily involved in drugs and the 'wrong crowd'. His entire meager inheritance was spent on becoming blissfully unaware of the world.
After a couple years, a man approached him, introducing himself Robert Jones, likely an alias. He was searching for an amulet that had belonged to his grandfather. Upon Gareth's refusal to yield his single most sentimental possession, he was shot in the stomach, managed to shove his assailant, who tripped over a fire hydrant. He ran, but it was dark and the streets were deserted, and he was crippled. The assailant pursued him, eventually cornered him in an abandoned warehouse. Gareth shoved a shelf up against a door, and slowly bled to death as Robert tried to find a way into the room.
As a final act of defiance, he popped the crimson bloodstone out of the amulet, crushed it in his teeth, and swallowed it. Robert finally found a window into the room, shot it out, and then shot Gareth in the head.
To his dismay, Gareth only screamed angrily, blood bubbling from his mouth and his wounds, and crushed the man with his hands.
He searched the body, feeling great. He found some information, pursued it, violently, carving a bloody trail through the shadowy underbelly of the world, which culminated in the destruction of a dark Nazi cult, complete with hellish laboratory, in the snowy depths of Siberia.
Since, he has decided to become somebody, to make his grandfather proud. He became Blood Red, a costumed crime fighter. He has began studying chemistry and biology, to supplement his skill base. Also, he has become an artist of some small renown in the field of painting and illustrating. He also enjoys poetry and karaoke.
Powers: Gareth crushed up, swallowed, and absorbed the Philosopher's Stone. The change in his blood makes him the single most powerful shapeshifter on the planet.
He is capable of not only transmuting himself, but also the elements around him. It is more difficult to affect more matter. A building will take some time to disintegrate, but a section of wall will fall away in a heartbeat. He can breathe liquid nitrogen from his lungs, turn city streets to rivers of lava (etc).
He can transmute his own body into most any form, can make his muscles steely strong, turn his tongue into a poisonous boa constrictor (etc). Upholding a form takes effort, though, especially if it's mass is larger than his natural form.
Finally, his body regenerates. Bullet wounds close in scant seconds. Fire will burn him, but will be repaired faster than it is damaged. He doesn't drown, simply turns the water into oxygen, or forms gills (etc). His body does not shut down unless the damage is so severe that it takes all his power to reform. If his head explodes, it will regrow while his body remains active.
He has been known to turn himself into an explosive, taking out military bases, and then slowly reforming over the course of an hour or so, absorbing blood and bits of gore around him to build himself anew.
He needs blood to fuel his alchemical and regenerative power, and will generally absorb his defeated foe's life force into himself, or occasionally feeds like a vampire, either taking only a bit from a willing supplicant, or ripping out an enemy's neck and emptying them into his mouth.
Weaknesses: When he doesn't absorb enough blood to recharge, his powers will become weaker with use. Luckily, there is plenty of blood in his line of work.
There are forms of synthetic matter or chemicals that he has more trouble transmuting.
Transmuting more mass is more stressful and drains him more, as does using his power more often or for more dramatic purposes. Turning into a lighting bolt to zip across the country will leave him exhausted and sickly pale until he can feed, for example.