Killer Be Killed is an American heavy metal supergroup founded by Dillinger Escape Plan vocalist Greg Puciato and Soulfly frontman Max Cavalera in early 2011. The lineup also features Mastodon bassist and co-vocalist Troy Sanders and Converge drummer Ben Koller. The band had slowly been working on material before announcing its name in October 2013, along with their signing to Nuclear Blast. The group's self-titled debut record was released in 2014. In September 2020, the group returned with a new single, and released their second album Reluctant Hero in November of that year.