 Wartimer is the more cynical and sarcastic of the two, while the quieter, gentler Croakley can be told apart from his colleague by his glasses.The two, along with Hopkins, abduct Blinky to serve as the navigational computer for their ship, and ultimately are helped on their way to Genus by Bucky O'Hare and his crew.Like many other characters in the show, their names are never given onscreen, and come from the shooting scripts included as a special feature on the Region 2 DVD of the series.