The Big Bad Woofer is a huge speaker created by Wolfgang for his concert to blow everything up. With this machine, he would able to control the minds of many inhabitants.
Throughout the chapter in The Future of Skylands, the Big Bad Woofer opens up one by one to release obstacles and projectiles to stop the Skylanders from progressing. The machine was soon disabled by the Skylanders before Wolfgang's concert can begin.
The announcing voice of the Big Bad Woofer was provided by Wally Wingert.