Bonnie and Clyde's little big family
When creating his experiments, Jumba included reproductive organs as he hoped to create a species and while many of his experiments are durable and some indestructable - none, however, are immortal...
Creating life is not a simple task, even for a genius. DNA consists of 4 bases in a specific order to create what we see. If one of these bases is in the wrong place, all could go wrong.
Genetic Experiments are a form of artificial life, which is both unethical and illegal according to the grand council, so to create one would require writing DNA. When Jumba was creating his 149th experiment all was well and no major genetic errors were prevalent.
After a fair few years of being settled on planet Earth, Jumba's experiments found their one true places and their homes. And as life would have it, many settled. Experiements 149 and 150, now named Bonnie and Clyde, included.
DNA is extremely complicated, even for a genius. And