SandCastle

SandCastle is the Alfatrix's DNA Sample of an Unknown Species from an Unknown Planet.

Appearence
He resembles of a pile of sand with a collar and it has Alfatrix symbol in it.He also has Claw-Like Hands.

Powers/Abilities
It's not much known about his powers besides shapeshifting and controlling sand

Weaknesses
Water and intense heat can cancel out his powers.

Also physically he's not very strong.

Trivia

 * I imagined Sandbox to be like that sence I heard of it so his design is pretty old (The concept).