User blog comment:JacobKyleF/PE Proposal: Grandfather from K.N.D./@comment-3070706-20200110180618

Sadly, redeemed villains cannot be Pure Evil. Even if Grandfather had done worst crimes, none of the KND villains ever come close to be PE and don't have any moral agency. And as a result of being decommissioned, he and Numbuh 0 were back to their elderly selves and had since moved on, so in my words, this is a total no.