Zach Varmitech is one of the main villains appearing in the series. He has multiple Zachbots and tries to control animals to use they're creature powers for him. zach seems to be 46 years old if he grew up with the wild kratts or as he says it the wild rats but if they are not around him at the moment he say wild kratts he must be trying to insult them to their faces. it also looks like he can't swm it's never been confirmed if he can or can't but from what i can see wearing a floating. not swimming when huge_o threw him into the river stream whatever that thing was.