Hardcore Robotics (Team Tombstone)

Hardcore Robotics of Placerville, California, is the team of Ray Billings, builder and driver of Tombstone, joined by Justin, Susan and Teri Billings and Kevin Benesi. With more than 20 years in robot combat, the team’s horizontal bar spinner Tombstone finished as BattleBots runner-up in 2015 and champion in 2016, compiling a career record of 25 wins, 10 losses and 20 knockouts.

In 2026 the team returned to competition in the BattleBots Pro League in Las Vegas. Build costs are not published; The Ringer estimates robots of this class at 5,000 to 50,000 USD. No team website is given in the sources.