13: Frankie Stein:
Yes, yes, I am quite aware that placing the daughter of the famous Frankenstein at the bottom of my list could arouse many a argument and rebuttal, but allow me to explain myself. You see, she is, in fact, a powerful monster as she did make this list, albeit the bottom of the list. The power of electricity is one that has left mankind and monsterkind in awe for centuries, and this small girl has enough of it coursing through her to fry a grown werewolf. So why isn't she higher on this list? Physics.
While high levels of electricity is dangerous, young Frankie has great difficulty controlling it. You see, electricity is lazy in the fact that it always chooses the shortest route to complete the circuit. This means that it cannot be aimed, it will merely jump to the nearest conductor. In order to pass the current to another, she must be standing very close by or else touching them. Another factor is insulators. Other monsters can easily protect themselves through simple insulation such as rubber if they are aware of the thret. Others are already naturally impervious to it. The final limitation to Frankie Stein's electrical power is that it is not unlimited. She already must regularly recharge to continue functioning, just as other being must constantly eat to keep living. And if she were to discharge some of it as an act of defense or offence, she would need an electrical source to regain what she lost.
Beyond the literal and physical terms, Crabgrass has reported that while the girl is book-smart and has determination, she is extremely naive and lacks the cleverness that allows one to act in a tight spot. All in all, while she is one to keep tabs on she does not pose any immediate thret, especially in light of what else is on this list.