Note: Apparently the criminal William Baker suffers from a split-personality disorder and assumes the name of Flint Marko when he is not acting in a criminal manner.
|Citizen of the United States with a criminal record, pardoned but revoked.|
|Nation or Planet of Origin|
|Queens, New York|
Wild Pack I
|Base of Operations|
|New York, New York|
|6' 1" - Varies|
|450 lbs. - Varies|
Nuclear radiation combined with silicate causing a mutation enabling superhuman strength, speed, agility, durability and the ability to convert into and control sand.
Sand can be added to mass to increase density, contort body into different shapes of various density or fuse into glass.
|Sand and other silicate based materials.|
Amazing Spider-Man Vol. 1 & 2
Friendly Neighborhood Spider-Man
Incredible Hulk Vol. 1
Peter Parker Spider-Man Vol. 1 & 2
Spectacular Spider-Man Vol. 1
Spider-Man Vol. 1
Web of Spider-Man
|Amazing Spider-Man Vol. 1 #4 (Sept. 1963)|
|Stan Lee & Steve Ditko|
Escaping prison, William Baker found refuge in a military nuclear testing site on a beach. When a nuclear explosion was detonated, he was exposed to huge amounts of radiation. Awaking, he discovered himself alive, but realized he had changed into a Sandman.