Probe was investigating reclusive multi-millionaire Harold Howes after four top athletes had all disappeared after meeting with him. Probe discovers that Howes has been trying to harvest the energy of the athletes to help him live forever. Probe destroys Howes' equipment and escapes over the wall.
- Probe aka M.A.C.H.1 is government agent imbued with extraordinary physical power and a computer embedded in his brain.
- Harold Howes is a reclusive multi-millionaire who abhors human contact.
- Miranda Howes is the niece of Harold Howes.