Robert Andrew Scallon (born August 26, 1990)[3] is an American YouTuber, musician, and multi-instrumentalist based in Chicago, Illinois.

[4] He is best known for several viral videos featuring his music, including heavy metal songs played with traditionally non-metal instruments.

[8] As a child, he and his friends would visit their local Guitar Center and play instruments, although would never buy any due to lack of money.

[4] Most notable are his renditions of songs on banjo, including "Raining Blood" by Slayer,[10] "Master of Puppets" by Metallica,[11] and "Psychosocial" by Slipknot, the latter featuring a cameo appearance by Corey Taylor.

[12] His videos have featured collaborations with Andrew Huang, Boyinaband, Davie504, Doug Walker, Jared Dines, Leo Moracchioli, Mary Spender, Sarah Longfield, Michael Angelo Batio, and Alex Rüdinger.

[19] Scallon, in partnership with Sweetwater Sound, received a Guinness World Record for the largest guitar effect pedalboard in 2019.

[34] In July 2024, Scallon uploaded a video confirming that he suffers from bipolar I disorder, having been diagnosed with it the previous year.