Keith Macklin, his son Tyler, and their dog Dixie getting ready for a day at the park before The Incident.

Martin Cromley – Lead scientist and inventor of the Regen serum. Works for Zarkon Pharmaceuticals.

Lance Macklin – Brother of Keith Macklin. Former Marine and logistics specialist in the private sector. Works for AgileSec, a security contractor in Afghanistan.

Lamar Dawkins – Former Army Sniper. Works at AgileSec, friends with Lance.

Kait Brockton – Software Engineer and co-creator of Regen. Works for Zarkon Pharmaceuticals with Martin.

John Thorne – CFO at Zarkon Pharmaceuticals. Has a background in biology and finance.

Sheriff Clint Stockton – San Diego Police Department.

Lucky 13 – Genetically modified lizard created by Martin and Kait at Zarkon.

Berch Riktor – Right-hand man to John Thorne. Former Special Forces operator and mercenary.

Mont Strickland – Former mercenary. Works directly for Riktor.