Erwan Tallonneau, aka R-One, started his BBoy career in 2012 by joining the French group Hotmilk Breakers. He quickly got involved in the world of battles and jams with his group or in solo (Vortex Jam, Hip Opsession, Red Bull Bc One France and World Final camp, Hanoi Concrete Jam, Who got the Flower, French Cup, French and European Championships...). In December 2021, R-One joined the French Breaking Team for the Paris 2024 Olympic Games. In parallel to his battles path, Erwan has been interested since 2017 in various experiences in the world of contemporary dance and has joined different companies, such as the Poisson-Buffle company of François Lamargot and the Kilaï company of Sandrine Lescourant. In 2023, Erwan joined the BurnOut company for the creation of the show In Situ.