12th Planet, born John Dadzie, is a prominent DJ and music producer from the Los Angeles area of California. His interest in the electronic music scene ignited during his high school years when he began his journey as a DJ in the local community. In 2006, Dadzie expanded his musical focus to dubstep, adopting the moniker 12th Planet as he immersed himself in the genre.

Since then, 12th Planet has emerged as an influential figure in the dubstep community. He is widely credited with significantly contributing to the genre's growth and popularity in the United States. Known for his energetic live performances, he frequently tours around the globe, playing in diverse locations including New Zealand and Australia. His collaborations with notable producers such as Skream, Doctor P, and Datsik have bolstered his standing in the electronic music scene.

12th Planet's discography showcases a series of successful remixes and original tracks that have resonated with audiences. Among his well-known works are “Get It,” “Apocalypse Theme,” “Cookies Fly,” “Youth Blood,” “Victims,” “Hold On,” “Nobody Gets Out Alive,” “DIRTY,” “All I Ask of You,” and his most recent release, “Slice & Dice.” He has also been featured on singles such as “Way Too Far” with Korn and “Right on Time” and “Needed Change” with Skrillex.

In 2007, 12th Planet played a crucial role in the re-launch and rebranding of SMOG Records, an initiative that transitioned from an event production company to a prominent label in the electronic music scene. This position has positioned him as one of the key figures in the movement. Additionally, in 2009, he was recognized by URB.com as one of their "Next 100," underscoring his rising influence within the industry.

The following year marked a significant milestone with the release of his music video for "Reasons," which premiered through Scion A/V and was featured on MTV 2. His remix of Little Jinder's "Youth Blood" was included in Diplo's Mad Decent dubstep compilation, Blow Your Head, further solidifying his reputation as a standout producer.

12th Planet's acclaim within the industry continued to grow, finishing in 20th place in the 2013 America's Best DJ competition, a poll conducted by DJ Times magazine and Pioneer DJ to identify the country's most popular DJs. Looking ahead, he signed with Myro and Dodge & Fuski's Disciple Recordings in 2017, where he took on the role of head for the sub-label Disciple Round Table. As he continues to create and perform, 12th Planet remains a significant and evolving presence in the world of dubstep.