These backflips are all the same guy: Gautier Supper.
All of them except the last one are on a route called Babouin (8a/5.13b), at La Chambotte de Gauche, Savoie, in the French Alps. The last one is on an 8a+ (5.13c) at a crag called Abella de La Conca, Spain.
Credits: Quentin Manzato and Gautier Supper.
Happy Friday and climb safe this weekend!