Good point, LaFronde and Cassidy-esp. Cassidy, the "evil twin" of David-would seem to be good choices for baddies to escape Justice and come looking for a rematch! 

"Logical! If they were logical, they wouldn't be human!
They are driven by strange impulses"
General Urko (Mark Lenard), Planet of the Apes TV series, "The Surgeon". (1974).