- Abner Sundell ?
- Lash Lightning [Robert Morgan]; Lightning Girl [Isobel Blake]; Dark Eyes (villain, introduction); Madame Death (villain, introduction)
- Initially making a living by slaughtering cattle by a single blow of his fist, Dark Eyes seeks to join forces with a female counterpart, much like Lash Lightning and his partner. He locates a calculating temptress named Madame Death, and they joined into an amorous match made in hell itself, and take on the two heroes.
Script credit by Mark Carlson-Ghost in Alter Ego #144 (January, 2017), based on circumstantial evidence.
Art credits revised from Bill Savage to ? by Craig Delich. The Who's Who indicates that Savage only worked on Mr. Risk for Ace Publications, and no extant evidence proves that he worked on Lash Lightning.