Jorel Decker, aka J-Dog, is a multi-instrumentalist and founding member of Hollywood Undead. He plays guitar, bass, and keyboard, contributing to the band's signature sound. Known for his rebellious attitude, he often incorporates politically charged and socially critical themes into his lyrics. He is a central figure in the band's creative direction and is recognized for his aggressive performance style and outspoken personality.

Born and raised in Los Angeles, California.