Many characters have been seen having access to Hammerspace, such as: * Amy Rose (Main User) * Sonic the Hedgehog * Shadow the Hedgehog * Silver the Hedgehog * Knuckles the Echidna * Miles "Tails" Prower * Dr. Eggman * Espio the Chameleon * Vector the Crocodile * Rouge the Bat * Bean the Dynamite * Chip * Cream the Rabbit * Mephiles the Dark * Cosmo