Brandon Roy Wronski (born May 22, 1988), known professionally as Jagwar Twin and formerly as Roy English, is an American singer, songwriter, musician and record producer. He is currently signed to Big Loud Rock under Big Loud Records.

He started out as a member of the band Dead Letter Diaries, before founding the bands Eye Alaska and Canary Dynasty. Going solo in 2015, he has since written and produced music alongside other industry artists, including Jeff Bhasker, Teddy Riley, Rick Nowels, Matt Wallace, Dave Sitek, and Alesso. His debut studio album, Subject to Flooding, was released in September 2018 in collaboration with producers S1 and Linus, and featured contributions from Travis Barker of blink-182.