Antonia Zombanistro, self proclaimed "Mistress of Forbidden Knowledge, Keeper of the Ancient Relics, Practitioner of the lost art of Necromancy", is a scientist, necromancer and inventor of the chemical Necronium 234 "a mixture of modern science and voodoo wisdom", which has the power to turn people into zombies. In the banter between Professor Zombie and the Red Panda in "Night Patrol" it is hinted that they might have had a more complicated relationship in the past.