John was a former baseball player to whom the Overmaster gave equipment and drafted into the first Cadre. After they were defeated, Fastball went underground and was largely forgotten. He eventually returned to crime and joined the new Cadre under Doctor Polaris but was defeated by the Power Company.
Fastball has been identified as one of the deceased entombed below the Hall of Justice.
Major Story Arcs
The OMAC Project
For more information see: The OMAC Project
Fastball is "Terminated" by OMAC 972676.
Revenge of the Green Lanterns
For more information see: Revenge of the Green Lanterns
For more information see: Blackest Night
Fastball returns as a Black Lantern.
Powers and abilities
Fastball was given an powerful exoskeleton that has the ability to throw explosive spheres.
Fastball appears in JLU along side Black Mass, Crowbar, and Shatterfist. He later appears as a member of the Secret Society, siding with Grodd's faction during the mutiny, he was presumed killed in Darkseid's explosion of the base.