"Sandman (William cooker, a.k.a. Marko Flint) Arachnid Boy. A shapeshifter endowed through an accident with the ability to turn himself into sand, he eventually reformed, and became an ally of Arachnid Boy.and later joins the lsp"@en . "Sand Penguin"@en . . . "Sandman (William cooker, a.k.a. Marko Flint) Arachnid Boy. A shapeshifter endowed through an accident with the ability to turn himself into sand, he eventually reformed, and became an ally of Arachnid Boy.and later joins the lsp"@en .