Duplicates number 2 through 6 of Calvin were created when Calvin used the Duplicator to create a duplicate of himself to do all his chores and schoolwork. This backfired, however, as the duplicate made four more of himself (he would've made more, but the duplicator overheated). The duplicates apparently assigned numbers to themselves, as they all looked identical to one another. Later, Calvin made a deal saying each one only had to go to school one day of each week and "none of us will be the wiser". They each get in trouble every time they go. Calvin stops them by tricking them under the duplicator, turning it into a Transmogrifier, and transmogrifying them into worms. When Hobbes questions this, Calvin responds that he didn't want them to be unhappy. The transmogrified duplicates were ne