Devi McCallion is a Canadian singer, songwriter, and producer from Toronto, Ontario, known for her experimental music. Since 2011, she has released work under various aliases including Girls Rituals, her most recent and currently active alias, as well as Doro Doro Dono, Mom, Cats Millionaire, Tiny Magnesium, Yellow Bile, EAT BABIES?, Triangle Giant, 10 Chains, Hexi Wing, traptraptrap, Leader Misty, and Devi Sparkles.

McCallion was one half of Black Dresses an industrial and noise pop band formed with Ada Rook that officially disbanded in 2024 . Despite this, it is considered to be among one of her most recognised work. Other bands she's been a part of include Anarchy 99, VCF Freq, The Various Endeavors?, Dr. Massive and the Headwound Extravaganza, MORE BEARS, and Giant Triangle, of which she is a former member of. Additionally, she created the virtual band Holographic Rainbow.

She has collaborated with many artists over the years, such as Ada Rook on It's a Beautiful World, as well as Katie Dey on two albums, Some New Form of Life and Magic Fire Brain. McCallion has also worked with Backxwash, featuring on the album God Has Nothing to Do With This Leave Him Out of It and the STIGMATA EP. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.