Tessa is a very short woman who can sidestep, as she calls it, into other realms with Cory. She can go into other realms and retrieve things or store things there. She helped Umlaut, Sesame, and Sammy get to the Isle of Cats. She now works with Cube, Ryver, and Drek at the entrance of Counter Xanth. She escorted Clio, Sherlock, and party around Counter Xanth and helped set up Com Panion in Mount Pinafore.