• Real Name: William Baker
  • AKA: Flint Marko, Flint Baker, Sylvester Mann, Quarryman, William “Flint” Marko, Agent Sands, Sandy, Scrappy
  • Family: Floyd Baker (father); Mrs. Baker (mother); Keemia Alvarado ( daughter); Fred Myers (cousin-in-law); Unidentified cousin
  • Base of Operation: Mobile
  • Identity: Secret Identity
  • Citizenship: American
  • Martial Status: Single
  • Occupation: Adventurer, bounty hunter, professional criminal; former mercenary
  • Education: High school dropout
  • Gender: Male
  • Height: 6′ 1″ (1.85 m) (Variable)
  • Weight: 240 lbs-450 lbs
  • Eyes: No Eyes Formerly Brown
  • Hair: No Hair formerly Brown
  • Unusual Features: Body made entirely of sand
  • Origin: Human Mutate
  • Universe: Marvel Prime Universe (Earth-616)