Look up “witches” and you might see any of a number of depictions: ugly old ladies and young, sensual temptresses; antiheroes and aspiring role models; evil creatures mixing deadly potions and righteous sorceresses helping girls find their way (a la Glinda the Good Witch in “The Wizard of Oz”).Look up “witches” and you might see any of a number of depictions: ugly old ladies and young, sensual temptresses; antiheroes and aspiring role models; evil creatures mixing deadly potions and righteous sorceresses helping girls find their way (a la Glinda the Good Witch in “The Wizard of Oz”).